{"title":"Sundown 15\" subwoofer","description":"","products":[{"product_id":"sundown-e15-v-4","title":"Sundown E15 V.4","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cbr\/\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe Sundown Audio E-15 v.4 is a high-performance 15-inch subwoofer from the E Series, designed for long cone excursion, powerful low-frequency response, and a robust construction. Despite its position within the E-Series, the E-15 v.4 offers numerous design features typically found in significantly more powerful subwoofers\u003c\/span\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWith a linear Xmax of 14 mm in each direction, the subwoofer has sufficient excursion reserves to generate high sound pressure levels even at low frequencies. The dual-magnet drive, together with the vented magnetic gap and pole piece, ensures effective heat dissipation. This allows the voice coil to operate reliably even under prolonged high loads\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe high-temperature-resistant, four-layer-wound copper voice coil combines high electrical power handling with a robust mechanical design. The centering spider is made of a durable poly-cotton blend and is additionally connected to the steel basket to ensure reliable guidance of the moving system even during large diaphragm deflections\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSewn-on Mini-XL connection leads reduce mechanical stress on the leads during vigorous diaphragm movement. High-quality push terminals also enable a secure and straightforward connection to the speaker cable\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe E-15 v.4 was developed specifically for use in bass-reflex enclosures. Sundown Audio recommends a net enclosure volume of approximately 85 liters for a single subwoofer, with a tuning frequency of 35 Hz. This makes the E-15 v.4 particularly well-suited for car audio systems that require powerful low-frequency bass and high sound levels\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eManufacturer: Sundown Audio\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSeries: E-Series v.4\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eModel: E-15 v.4\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSubwoofer size: 15 inches \/ approx. 38 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRated power handling: 500 watts RMS\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMaximum power handling: 1,500 watts peak\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil options: Dual 2 ohms (D2) or Dual 4 ohms (D4)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eLinear travel Xmax: 14 mm in each direction\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMagnet Assembly: Double Magnet\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil winding: 4-layer high-temperature copper wire\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBasket: high-strength, stamped steel basket\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCentering web: high-strength polyester-cotton blend\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eConnection wires: sewn-on Mini-XL tinsel leads\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eConnections: Push terminals\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCooling: ventilated magnetic gap and ventilated pole core\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended enclosure: Bass reflex\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEnclosed housing: not recommended\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThiele-Small Parameter – D2\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDC resistance: 4.030 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eResonance frequency Fs: 30.535 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEquivalent volume (Vas): 101.063 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eElectrical quality Qes: 0.759\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMechanical Grade Qms: 4.101\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eTotal quality Qts: 0.641\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBL Force Factor: 15.880 Tm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMass in motion (Mms): 262.699 g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity: 87.7 dB (1 W \/ 1 m)\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThiele-Small Parameter – D4\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDC resistance: 6.130 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eResonance frequency Fs: 30.539 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEquivalent volume (Vas): 103.031 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eElectrical quality Qes: 0.818\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMechanical Grade Qms: 3.750\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eTotal quality (Qts): 0.671\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBL Force Factor: 19.247 Tm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMass in motion (Mms): 257.621 g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity: 87.4 dB (1 W \/ 1 m)\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eCase Recommendation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended enclosure design: bass reflex\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended net volume: 3.0 cu. ft. \/ approx. 84.95 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended tuning frequency: 35 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended head size: 44 sq. in. \/ approx. 284 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSubwoofer displacement: 0.14 cu. ft. \/ approx. 3.96 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEnclosed housing: not recommended\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstallation Dimensions\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOuter diameter: 15.125 inches \/ approx. 384.2 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eInstallation diameter: 13.875 inches \/ approx. 352.4 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMounting depth: 7.25 inches \/ approx. 184.2 mm\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\/\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sundown Audio","offers":[{"title":"Individually \/ D2 - Dual 2 ohms","offer_id":43881956933899,"sku":"","price":339.0,"currency_code":"EUR","in_stock":true},{"title":"Individually \/ D4 - Dual 4 ohms","offer_id":43881956966667,"sku":"","price":339.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/8063\/0283\/files\/1_9fc87eea-abd8-444c-b1dc-754282192a0e.jpg?v=1684316576"},{"product_id":"sundown-sa-15-v3","title":"Sundown SA 15 V3","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e\u003cbr\/\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe \u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSundown Audio SA-15 V.3 is a powerful 15-inch subwoofer from the proven SA series, designed for applications that require high sound pressure levels, powerful low-frequency bass, and high mechanical durability. With a 1,500-watt RMS power handling capacity, a linear cone excursion of 22 mm Xmax, and its robust driver, the SA-15 V.3 is suitable for both performance-oriented daily-use systems and demanding SPL-oriented car audio installations\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe robust design combines a Competition paper cone with a durable foam surround and a high-performance motor system. The generously sized voice coil and targeted ventilation of the driver aid heat dissipation during prolonged heavy use. At the same time, the large possible cone excursion ensures that the SA-15 V.3 can move enormous volumes of air even at high volume levels\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSpecial attention was paid to ensuring controlled drive. The SA-15 V.3 incorporates Faraday elements in its motor system, which reduce unwanted distortion and promote a smoother acoustic response. Robust connection terminals and its durable construction make this subwoofer an excellent choice for high-performance bass setups\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe SA-15 V.3 is available with either 2 × 2-ohm (D2) or 2 × 4-ohm (D4) voice coils, allowing it to be flexibly adapted to various mono power amplifiers and system configurations\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eManufacturer: Sundown Audio\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSeries: SA Series V.3\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eModel: SA-15 V.3\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSubwoofer size: 15\u0026#34; \/ approx. 38 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRMS power handling: 1,500 watts\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003ePeak power handling: 3,000 watts\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice Coils: Dual Voice Coil\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eImpedance options: 2 × 2 ohms (D2) or 2 × 4 ohms (D4)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil diameter: 2.75\u0026#34;\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil material: High-temperature copper wire\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil former: Aluminum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDiaphragm: Competition-grade paper diaphragm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBead: Foam\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 22 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmech: 40 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEffective membrane area Sd: 1,141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity D2: 87.3 dB (1 W \/ 1 m)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity D4: 87.4 dB (1 W \/ 1 m)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eResonance frequency Fs: 35 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOuter diameter: approx. 396 mm \/ 15.6\u0026#34;\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eInstallation diameter: approx. 358 mm \/ 14.1\u0026#34;\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eInstallation depth: approx. 220 mm \/ 8.65\u0026#34;\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMotor diameter: approx. 198 mm \/ 7.8\u0026#34;\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSubwoofer displacement: 0.22 ft³ \/ approx. 6.23 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSpring-loaded terminal blocks\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVentilated Engine System\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThiele-Small parameters – D2 \/ 2 × 2 ohms\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRe: 3.40 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFs: 35 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQms: 2,730\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQes: 0.625\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQts: 0.509\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVolume: 44.002 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMms: 458.73 g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCms: 0.04 mm\/N\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBL: 24,002 Tm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eLe: 3.63 mH\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSd: 1,141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 22 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmech: 40 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity: 87.3 dB (1 W \/ 1 m)\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThiele-Small parameters – D4 \/ 2 × 4 ohms\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRe: 6.06 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFs: 35 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQms: 2.791\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQes: 0.569\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQts: 0.473\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVolume: 50.353 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMms: 463.04 g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCms: 0.05 mm\/N\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBL: 32,560 metric tons\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eLe: 4.79 mH\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSd: 1,141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 22 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmech: 40 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity: 87.4 dB (1 W \/ 1 m)\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eCase Recommendation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended enclosed tank: approx. 42.5 liters \/ 1.5 ft³\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended bass-reflex enclosure: approx. 85 liters \/ 3.0 ft³\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended bass-reflex tuning: 35 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended port area: approx. 284 cm² \/ 44 in²\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003e4th-Order Bandpass Recommendation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eClosed chamber: approx. 42.5 liters \/ 1.5 ft³\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVentilated chamber: approx. 127.4 liters \/ 4.5 ft³\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended port area: approx. 581 cm² \/ 90 in²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSpecified port length: approx. 15.2 cm \/ 6\u0026#34;\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\/\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sundown Audio","offers":[{"title":"Individually \/ D2 - 2 2 ohms","offer_id":43881964044555,"sku":"","price":749.0,"currency_code":"EUR","in_stock":true},{"title":"Individually \/ D4 - 2 4 ohms","offer_id":43881964077323,"sku":"","price":749.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/8063\/0283\/files\/ChatGPTImage13.Sept.2026_20_46_47.png?v=1789325260"},{"product_id":"sundown-x-15-v4","title":"Sundown X 15 v4","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e\u003cbr\/\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe Sundown Audio X-15 v4 is a no-compromise 38-cm subwoofer designed for high-performance car audio systems that demand high sound pressure levels, massive cone excursion, and powerful low-frequency reproduction. The fourth generation of the X Series combines a massive driver with a power handling capacity of 3,000 watts RMS and a linear Xmax of 30 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThanks to its large diaphragm area and long-throw design, the X-15 v4 can move significant volumes of air. This makes it suitable for both high-performance music systems and SPL-oriented installations. Despite its high power handling capacity, the subwoofer is not designed exclusively for short-duration peak levels; rather, when paired with a properly sized enclosure, it delivers powerful and deep bass reproduction\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSundown Audio primarily intends the X-15 v4 for use in a bass-reflex enclosure. As a starting point, a net volume of approximately 120 liters with a tuning frequency of 32 Hz is recommended. A classic sealed enclosure is not recommended for this model\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe X-15 v4 is available with either dual 1-ohm or dual 2-ohm voice coils. This provides a variety of wiring options to optimally adapt the subwoofer to the monoblock amplifier being used or to systems with multiple subwoofers\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eManufacturer: Sundown Audio\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSeries: X-Series v4\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eModel: X-15 v4\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSubwoofer size: 15\u0026#34; \/ 38 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRated power handling: 3,000 watts RMS\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003ePeak power handling: 6,000 watts\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice Coil Options: Dual 1 Ohm or Dual 2 Ohm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eLinear diaphragm stroke Xmax: 30 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDiaphragm area Sd: 1,141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOuter diameter: 15.51\u0026#34; \/ approx. 394 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eInstallation diameter: 13.93\u0026#34; \/ approx. 354 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMounting depth: 12.95\u0026#34; \/ approx. 329 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMotor diameter: 9.25\u0026#34; \/ approx. 235 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eChassis displacement: 0.26 ft³ \/ approx. 7.36 liters\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThiele-Small parameters – Dual 1 ohm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eResonance frequency Fs: 29.91 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDC resistance: 3.20 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQms: 4.87\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQes: 0.55\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQts: 0.49\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEquivalent volume (Vas): 31.43 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMass in motion (Mms): 457.51 g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eElasticity (cm\/N): 61.87 µm\/N\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBL factor: 22.32 Tm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil inductance Le: 2.57 mH\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity: 85.29 dB @ 1 W \/ 1 m\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 30 mm\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThiele-Small Parameters – Dual 2 Ohms\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eResonance frequency Fs: 29.51 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDC resistance: 3.74 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQms: 4.08\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQes: 0.49\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQts: 0.44\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEquivalent volume (Vas): 40.41 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMass in motion (Mms): 538.24 g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eElasticity (Cms): 54.02 µm\/N\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBL factor: 27.44 Tm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity: 85.10 dB @ 1 W \/ 1 m\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 30 mm\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eRecommended bass-reflex enclosure\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEnclosure type: Bass reflex\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended net volume: 4.25 ft³ \/ approx. 120.3 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended tuning frequency: 32 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended port area: 68 in² \/ approx. 438.7 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEnclosed housing: not recommended\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eRecommendation for a 4th-order bandpass filter\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSealed chamber: 2.0 ft³ \/ approx. 56.6 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBass reflex chamber: 6.0 ft³ \/ approx. 169.9 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003ePort area: 120 in² \/ approx. 774.2 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSpecified port length: 8\u0026#34; \/ approx. 20.3 cm\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\/\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sundown Audio","offers":[{"title":"Individually \/ Dual 1 ohms","offer_id":43881966272779,"sku":"","price":1349.0,"currency_code":"EUR","in_stock":false},{"title":"Individually \/ Dual 2 ohms","offer_id":43881966240011,"sku":"","price":1349.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/8063\/0283\/files\/XV415.webp?v=1789323847"},{"product_id":"sundown-nsv6-15","title":"Sundown NS V.6 15\"","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSundown Audio Nightshade NS v.6 15\" is a high-performance subwoofer designed without compromise for powerful car audio and SPL systems. The Nightshade series combines enormous power handling with a very large linear cone excursion and a sophisticated neodymium driver. This makes the NS v.6 particularly well-suited for systems that require high sound pressure levels, massive low-frequency bass, and control even at very high power levels\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAt the heart of the NS v.6 is its 8-layer voice coil, which—together with the powerful magnet system—is rated for a power handling capacity of 3,500 watts RMS. An extended short-circuit ring ensures the most linear drive possible and reduces unwanted distortion at high excursion levels\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSpecial attention was also paid to thermal resilience. An aluminum cooling ring, an additional aluminum ventilation ring, and the special air exchange system draw heated air away from the driver area and allow cooler air to flow in. This contributes to improved thermal stability, especially during long and high-power bass passages\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe specially developed Ultra-Linear Spider Pack, combined with the generously sized Mega Roll V2 surround, provides the necessary mechanical control. The maximum linear cone excursion of 35 mm Xmax in one direction enables enormous air displacement and makes the 15-inch Nightshade an excellent foundation for demanding deep bass and SPL setups\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSubwoofer size: 15 inches \/ 38 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRMS Power Handling: 3,500 watts\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003ePeak Power Handling: 7,000 watts\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil: 8-layer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eImpedance options: D1 (2 × 1 Ω) or D2 (2 × 2 Ω)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 35 mm one-way\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDiaphragm area Sd: 1,141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOuter diameter: 15.67\" \/ approx. 398 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eInstallation diameter: 13.93\" \/ approx. 354 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eInstallation depth: 13.91\" \/ approx. 353 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMotor diameter: 7.87\" \/ approx. 200 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSubwoofer displacement: 0.26 ft³ \/ approx. 7.36 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended enclosure design: bass reflex\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEnclosed housing: not recommended\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended bass-reflex net volume: 4.0 ft³ \/ approx. 113 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended bass reflex tuning: 32 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended port area: 60 in² \/ approx. 387 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOptional accessories: Carbon diaphragm and carbon dust cap\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThiele-Small parameters – D1 (2 × 1 Ω)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRe: 1.84 Ω\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFs: 30.6 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQms: 5.3509\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQes: 0.4382\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQts: 0.4050\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVolume: 37.06 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMms: 552.28 g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCms: 49.00 µm\/N\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBL: 21.11 Tm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eLe: 1.66 mH\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSd: 1,141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEfficiency (1 W \/ 1 m): 85.6 dB\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 35 mm\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThiele-Small parameters – D2 (2 × 2 Ω)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRe: 3.60 Ω\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFs: 30.9 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQms: 5.4272\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQes: 0.4133\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQts: 0.3841\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVolume: 36.06 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMms: 556.85 g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCms: 47.68 µm\/N\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBL: 30.67 Tm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eLe: 3.49 mH\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSd: 1,141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSound pressure level (1 W \/ 1 m): 85.8 dB\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 35 mm\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eCase Recommendation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEnclosed housing: not recommended\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBass-reflex enclosure volume (net): 4.0 ft³ \/ approx. 113 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBass reflex tuning frequency: 32 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended port area: 60 in² \/ approx. 387 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e4th-Order Bandpass – Enclosed Chamber: 2.0 ft³ \/ approx. 56.6 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e4th-Order Bandpass – vented chamber: 6.0 ft³ \/ approx. 170 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e4th-order port area: 120 in² \/ approx. 774 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e4th-Order Port Length: 8\" \/ approx. 203 mm\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eHigh-Performance Neodymium Motor\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eHigh-power 8-layer voice coil\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e35 mm linear Xmax for massive cone excursion\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSpecially designed, solid die-cast aluminum basket\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eUltra-Linear Spider Pack for controlled diaphragm movement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMega Roll V2 Bead for Large Linear Deflections\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eExtended short-circuit ring to optimize the drive and reduce distortion\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAluminum cooling ring for improved heat dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAdditional aluminum ventilation ring\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSpecial air exchange system for active ventilation of the drive\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDesigned for extremely high-performance deep bass and SPL applications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOptionally available with a carbon diaphragm and carbon dust cap\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sundown Audio","offers":[{"title":"Individually \/ Dual 1 ohms","offer_id":43881979609355,"sku":"","price":2699.0,"currency_code":"EUR","in_stock":true},{"title":"Individually \/ Dual 2 ohms","offer_id":43881979576587,"sku":"","price":2699.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/8063\/0283\/files\/ns15.jpg?v=1732825920"},{"product_id":"sundown-m15","title":"Sundown M15","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e\u003cbr\/\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe \u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSundown Audio M15 from the M-Series is a powerful 38-cm subwoofer designed for exceptionally deep and controlled bass reproduction. With a power handling capacity of 2,000 watts RMS, a massive four-layer stacked magnet system, and a linear driver, the M15 is suitable for both performance-oriented car audio systems and demanding low-bass applications\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe distinctive Sundown Mega-Roll surround, combined with the specially developed PG Linear Suspension, enables an exceptionally large and controlled cone excursion. With a linear Xmax of 35 mm and a mechanical excursion of up to 59.5 mm, the M15 has enormous reserves, allowing it to produce high sound levels even at very low frequencies\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe robust motor is based on four magnetic rings stacked on top of one another, with a motor diameter of approximately 20.0 cm. A 20-mm-thick pole plate and an extended pole piece ensure a high-performance magnetic circuit and provide the necessary mechanical clearance for long strokes. An aluminum short-circuit ring in the magnet system also reduces induction-related distortions\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe Sundown M15 is available with either a dual 1-ohm or dual 2-ohm voice coil, allowing for flexible adaptation to different power amplifiers and desired connection impedances\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eManufacturer: Sundown Audio\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSeries: M-Series\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eModel: M15\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSubwoofer size: 38 cm \/ 15\u0026#34;\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRMS Power Handling: 2000 watts\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMaximum power handling: 4,000 watts\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice Coils: Dual Voice Coil\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eImpedance options: 2 × 1 ohm or 2 × 2 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil diameter: approx. 7.62 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 35 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmech: 59.5 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDiaphragm area Sd: 1141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMega-Roll Bead\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSundown PG Linear Suspension\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQuadruple-stacked magnet system\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMotor diameter: approx. 20.0 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMagnet stack height: approx. 8.8 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThickness of the upper pole plate: 20 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eExtended pole piece for particularly large mechanical deflection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAluminum shorting ring for reducing induction-induced distortion\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBlack, engraved back plate\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThiele-Small Parameters – M15 D1\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil: Dual 1 ohm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRe: 2.10 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eResonance frequency Fs: 28.2 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQms: 5.232\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQes: 0.720\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQts: 0.633\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVolume: 43.142 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMms: 558.91 g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCms: 0.06 mm\/N\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBL: 17,006 metric tons\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eLe: 1.83 mH\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDiaphragm area Sd: 1141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 35 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmech: 59.5 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity: 83.0 dB (1 W \/ 1 m)\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThiele-Small Parameters – M15 D2\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil: Dual 2 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRe: 4.11 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eResonance frequency Fs: 28.6 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQms: 5.233\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQes: 0.705\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQts: 0.622\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVolume: 43.385 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMMS: 541.08 g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCms: 0.06 mm\/N\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBL: 23,799 Tm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eLe: 3.65 mH\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDiaphragm area Sd: 1141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 35 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmech: 59.5 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity: 83.3 dB (1 W \/ 1 m)\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDimensions\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOuter diameter: approx. 39.40 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eInstallation diameter: approx. 35.38 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eInstallation depth: approx. 30.63 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMotor diameter: approx. 20.0 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSubwoofer displacement: approx. 6.51 liters\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eRecommended Enclosed Housing:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eManufacturer's recommendation: 3.5 cu. ft\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEquivalent to approximately 99.1 liters\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eBass-reflex enclosure recommendation:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended net volume: approx. 120.3 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended tuning frequency: 32 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended port area: approx. 438.7 cm²\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003e4th-Order Bandpass Recommendation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEnclosed chamber: approx. 56.6 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBass reflex chamber: approx. 169.9 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended port area: approx. 774.2 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended port length: approx. 20.3 cm\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\/\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sundown Audio","offers":[{"title":"Individually \/ D1 - Dual 1 Ohm","offer_id":52358054609163,"sku":null,"price":1099.0,"currency_code":"EUR","in_stock":true},{"title":"Individually \/ D2 - Dual 2-ohm","offer_id":52358054641931,"sku":null,"price":1099.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/8063\/0283\/files\/11_e06b4aaa-5390-4bbe-9906-e06b1d676af5.jpg?v=1757615304"},{"product_id":"sundown-zv-7-15","title":"Sundown ZV.7 15\"","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cbr\/\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe Sundown Audio ZV.7 15\u0026#34; is a high-performance subwoofer designed without compromise for systems that require massive low-frequency bass, high power headroom, and extreme cone excursion. The seventh generation of the Z Series is built on Sundown’s massive Mega-Platform and combines an exceptionally powerful motor assembly with a long-throw voice coil and a cooling system designed to handle high loads\u003c\/span\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAt the heart of the ZV.7 is the massive, four-layer stacked magnetic drive with a motor diameter of approximately 26.5 cm and a magnet stack height of about 10 cm. Compared to the ZV.6, the motor has been significantly further developed. The high power factor and the design optimized for linearity ensure that the subwoofer operates in a controlled manner even under extreme excursion\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe 4-layer aluminum round-wire voice coil has a diameter of approximately 8.4 cm and is mounted on a solid aluminum voice coil former. A sophisticated ventilation system—featuring airflow guidance around the pole piece, multiple cooling channels, 16 air gap openings, and an upper pole plate with additional slots and drill holes—aids heat dissipation during prolonged heavy-duty operation\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWith a linear Xmax of 42 mm in one direction, the ZV.7 offers enormous excursion reserves. The mechanically possible excursion is as high as 77.5 mm in one direction. This makes the 38-cm subwoofer particularly well-suited for high-performance bass-reflex and bandpass systems with very low-frequency tuning\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSubwoofer size: 38 cm (15\u0026#34;)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRMS Power Handling: 3,500 watts\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003ePeak Power Handling: 7,000 watts\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil: 4-layer aluminum round-wire voice coil\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil diameter: approx. 8.4 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil former: aluminum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eLinear stroke Xmax: 42 mm, single-sided\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMechanical deflection Xmech: 77.5 mm, on one side\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEffective membrane area Sd: 1141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMotor design: 4-layer stacked magnet system\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDiameter of the magnetic structure: approx. 26.5 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eHeight of the magnet assembly: approx. 10.0 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFaraday Ring: 9 mm Magnetic ID Faraday Ring\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVersions: D1 with 2 × 1 Ω or D2 with 2 × 2 Ω\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eT\/S Parameters – ZV.7 15 D1\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil impedance: 2 × 1 Ω\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDC resistance Re: 1.96 Ω\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eResonance frequency Fs: 30.82 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMechanical Grade Qms: 5.919\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eElectrical quality Qes: 0.412\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eTotal quality Qts: 0.385\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEquivalent volume (Vas): 33.27 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMass in motion (Mms): 606.05 g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eElasticity (cm): 43.99 µm\/N\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBL Force Factor: 23.647 Tm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil inductance Le: 1.83 mH\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity: 91.58 dB \/ 1 W \/ 1 m\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEffective membrane area Sd: 1141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 42 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmech: 77.5 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRMS Power Handling: 3,500 watts\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003ePeak power rating: 7,000 watts\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eT\/S Parameters – ZV.7 15 D2\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil impedance: 2 × 2 Ω\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDC resistance Re: 3.84 Ω\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eResonance frequency Fs: 30.40 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMechanical Grade Qms: 5.607\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eElectrical quality Qes: 0.364\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eTotal quality Qts: 0.342\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEquivalent volume (Vas): 35.56 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMass in motion (Mms): 582.89 g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eElasticity (cm\/m): 47.02 µm\/N\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBL Force Factor: 34.260 Tm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil inductance Le: 3.72 mH\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity: 89.32 dB \/ 1 W \/ 1 m\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEffective membrane area Sd: 1141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 42 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmech: 77.5 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRMS Power Handling: 3,500 watts\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003ePeak power rating: 7,000 watts\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDimensions\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOuter diameter: approx. 39.40 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eInstallation diameter: approx. 35.38 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eInstallation depth: approx. 35.41 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMotor diameter: approx. 27.43 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSubwoofer displacement: approx. 8.21 liters\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eEnclosure Recommendation – Bass Reflex\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended net volume: approx. 113.3 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended tuning frequency: 32 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended port area: approx. 387 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEnclosed housing: not recommended\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eEnclosure Recommendation – 4th-Order Bandpass\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEnclosed chamber: approx. 56.6 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVentilated compartment: approx. 169.9 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended port area: approx. 774 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended port length: approx. 20.3 cm\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSpecial Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eHighly durable 38-cm high-excursion subwoofer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMassive Sundown Audio Mega-Platform\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e3,500 watts RMS power handling capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEnormous linear diaphragm stroke of 42 mm in each direction\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eHigh-performance, quad-stacked magnetic drive\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e4-layer aluminum voice coil\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSpecially designed “Fat Wire” winding for high power handling capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSophisticated cooling system for the voice coil\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e16 ventilation openings in the air gap area\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSix additional cooling channels on the pole core\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSlotted and cross-drilled upper pole plate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e9-mm Faraday ring for improving inductive linearity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFEA-optimized engine design\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eParticularly suitable for bass-reflex enclosures tuned to a low frequency\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDesigned for high-performance SQL, demo, and SPL systems\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\/\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sundown Audio","offers":[{"title":"Individually \/ Dual 1 ohms","offer_id":52718693351691,"sku":null,"price":2499.0,"currency_code":"EUR","in_stock":true},{"title":"Individually \/ Dual 2 ohms","offer_id":52718693384459,"sku":null,"price":2499.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/8063\/0283\/files\/2_8e1ff303-03ea-4ff0-ba17-5b33f9af89e7.png?v=1788983468"},{"product_id":"sundown-u-15-v-2","title":"Sundown U-15 V.2","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e\u003cbr\/\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe \u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSundown Audio U-15 V.2 is a high-performance 15-inch subwoofer designed for car audio systems that require high volume levels, powerful low-frequency bass, and high mechanical durability. The U Series bridges the gap between performance-oriented music subwoofers and SPL-capable woofers, making it suitable for both high-end daily-use systems and particularly powerful bass setups\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFor the U-15 V.2, Sundown Audio relies on a solid, double-layered ferrite magnet system combined with a 3-inch high-temperature voice coil. The sophisticated motor cooling system—featuring air channels, gap venting, and cooling channels in the upper pole plate—aids heat dissipation during prolonged heavy use\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eA sturdy die-cast aluminum basket forms the mechanical foundation of the subwoofer. The design is engineered for high excursion and is complemented by a robust cone, a double-stitched surround, and exceptionally durable connection wires. With a linear Xmax of 30 mm, the U-15 V.2 offers considerable excursion reserves for high sound pressure levels in the low-bass range\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe U-15 V.2 is available as a D2 version with a dual 2-ohm voice coil and as a D4 version with a dual 4-ohm voice coil. This allows the subwoofer to be flexibly adapted to different mono amplifiers and system configurations\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eManufacturer: Sundown Audio\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSeries: U Series V.2\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSubwoofer size: 15\u0026#34; \/ 38 cm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRated power handling: 2,000 watts RMS\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMaximum power handling: 4,000 watts peak\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice Coil: Dual Voice Coil\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAvailable impedances: 2 × 2 ohms (D2) or 2 × 4 ohms (D4)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coil diameter: 3\u0026#34; \/ 76.2 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eHigh-Temperature Voice Coil\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAluminum voice coil assembly for improved heat dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 30 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eEffective membrane area Sd: 1,141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSolid Ferrite Magnet System\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAluminum shorting rings for reducing inductance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eExtended pole core for improved control during high diaphragm deflection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSturdy die-cast aluminum basket\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDouble-stitched welt\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eHeavy-duty, stitched connection strands\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSpring-loaded speaker terminals for cables up to 8 AWG\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRear Gap Ventilation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCooling channels in the upper pole plate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMulti-stage cooling system for voice coil and drive\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThiele-Small Parameters – U-15 V.2 D2\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coils: 2 × 2 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRe: 3.82 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFs: 37.2 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQms: 5.40\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQes: 0.54\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQts: 0.49\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCapacity: 43.50 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMms: 438.49 g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCms: 0.04 mm\/N\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBL: 26.79 Tm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eLe: 3.41 mH\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSd: 1,141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 30 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSensitivity (1 W \/ 1 m): 91.0 dB\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThiele-Small Parameters – U-15 V.2 D4\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVoice coils: 2 × 4 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRe: 6.05 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFs: 36.4 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQms: 5.59\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQes: 0.61\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eQts: 0.55\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCapacity: 46.10 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMms: 431.94 g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCms: 0.04 mm\/N\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBL: 31.14 Tm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eLe: 4.65 mH\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSd: 1,141.9 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eXmax: 30 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSound pressure level (1 W \/ 1 m): 88.5 dB\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eManufacturer's recommendation for the housing\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended enclosed volume: 2.0 ft³ \/ approx. 56.6 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended bass reflex volume: 3.0 ft³ \/ approx. 84.9 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended bass-reflex tuning: 35 Hz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRecommended port area: 48 in² \/ approx. 310 cm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSubwoofer's internal volume: 0.24 ft³ \/ approx. 6.8 liters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSuitable for bass-reflex, sealed, and bandpass applications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDesign Focus on High-Performance Bass-Reflex and Bandpass Systems\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDimensions\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOuter diameter: 15.6\u0026#34; \/ approx. 396 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eInstallation diameter: 14.1\u0026#34; \/ approx. 358 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eInstallation depth: 9.0\u0026#34; \/ approx. 229 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMotor diameter: 9.7\u0026#34; \/ approx. 246 mm\u003cbr\/\u003e\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe Sundown Audio U-15 V.2 is therefore an interesting choice for high-performance 15-inch subwoofer systems that require a combination of high cone excursion, a robust motor design, and high electrical power handling. Especially when mounted in a well-tuned bass-reflex enclosure, the woofer can showcase its strengths in deep bass and high sound pressure levels\u003cbr\/\u003e\u003c\/strong\u003e\u003c\/span\u003e.\u003cbr\/\u003e\u003c\/p\u003e","brand":"Sundown Audio","offers":[{"title":"Individually \/ D2 - Dual 2 ohms","offer_id":53363190890763,"sku":null,"price":1249.0,"currency_code":"EUR","in_stock":true},{"title":"Individually \/ D4 - Dual 4 ohms","offer_id":53363190857995,"sku":null,"price":1249.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/8063\/0283\/files\/Uv2-15-000-eddfdda6.webp?v=1789413877"}],"url":"https:\/\/mtiudio.com\/en\/collections\/15-38cm-sundown.oembed","provider":"MT Audio Shop","version":"1.0","type":"link"}