{"product_id":"gzra-450-1-micro","title":"GZRA 450.1-MICRO","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe Ground Zero GZRA 450.1-MICRO is an exceptionally compact mono amplifier designed to power subwoofers and is ideal for space-constrained vehicle installations. Despite its extremely small size, modern Class D technology delivers high output power combined with high efficiency. Thanks to its built-in active crossover, subsonic filter, high-level input with auto-on function, and included bass-level remote control, the amplifier can be flexibly integrated into virtually any car audio system—whether it’s an aftermarket or factory radio\u003c\/strong\u003e\u003c\/span\u003e.\u003cbr\u003e\u003cbr\u003e \u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\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\u003eMicro Mono Class-D Subwoofer Amplifier\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e1-Channel Version\u003c\/strong\u003e\u003c\/span\u003e\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 at 4 Ω: 180 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\u003eRMS power at 2 Ω: 310 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\u003eRMS power at 1 Ω: 480 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 (CEA-2006A \/ 10% THD+N): 640 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\u003eStable, high-efficiency Class D circuit\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFrequency response: 10 Hz – 250 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\u003eVariable low-pass filter (LPF): 50 Hz – 250 Hz (12 dB\/oct.)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVariable subsonic filter: 10 Hz – 50 Hz (12 dB\/oct.)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSwitchable Bass Boost\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRCA input sensitivity: 0.4 – 8.3 V\u003c\/strong\u003e\u003c\/span\u003e\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-level input sensitivity: 1.3 – 25 V\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSignal-to-noise ratio: \u0026gt; 90 dB (A-weighted)\u003c\/strong\u003e\u003c\/span\u003e\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 Harmonic Distortion (THD+N): \u0026lt; 0.1%\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDamping factor: \u0026gt; 200\u003c\/strong\u003e\u003c\/span\u003e\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-level input with automatic power-on function (Auto-On)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eRCA low-level inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eIntegrated Active Crossover\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eReliable Power Supply\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSMD Component Technology\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCompact aluminum heat sink with an engraved Ground Zero logo\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWired bass level remote control included\u003c\/strong\u003e\u003c\/span\u003e\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 fuse rating: 60 A\u003c\/strong\u003e\u003c\/span\u003e\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 cable cross-sectional area for power supply: at least 4 mm²\u003c\/strong\u003e\u003c\/span\u003e\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 speaker cable cross-sectional area: at least 0.75 mm²\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOperating voltage: 9–16 volts\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDimensions (W × L × H): 82 × 142 × 40 mm\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ground Zero","offers":[{"title":"Individually","offer_id":52953989873931,"sku":null,"price":169.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/8063\/0283\/files\/GZRA450.1-MICRO_1_1920x1920_576b871d-081d-4e0b-bc43-3de2a3ef625c.png?v=1773089285","url":"https:\/\/mtiudio.com\/en\/products\/gzra-450-1-micro","provider":"MT Audio Shop","version":"1.0","type":"link"}