{"title":"Audio System Italy 4-Channel","description":"","products":[{"product_id":"audio-system-twister-f4-400","title":"Audio System Twister F4.400","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\u003eAudio System Italy Twister F4.400 is a powerful 4-channel Class A\/B amplifier designed specifically for high-end car audio systems with demanding requirements for sound quality and control. As part of the time-honored Twister series, it combines powerful output with exceptionally clean and musical sound reproduction\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWith 4 x 100 watts RMS at 4 ohms, the F4.400 is ideal for high-quality front and rear speaker systems or for fully active operation of a front system. At an impedance of 2 ohms, the output power increases to 4 x 160 watts RMS. In addition, two channels can be bridged at a time, providing up to 2 x 330 watts RMS at 4 ohms. This allows the amplifier to drive high-power woofers or subwoofers, for example\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe built-in high-pass and low-pass filters allow for flexible adjustment to the connected speaker system. The high-pass filter can be adjusted from 20 to 150 Hz, while the low-pass filter offers a control range from 45 to 300 Hz. With a filter slope of 12 dB per octave, the amplifier can be easily integrated into various system configurations\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe Twister F4.400 features carefully selected components and a classic Class A\/B circuit. As a result, it is particularly well-suited for users who, in addition to ample power reserves, value a controlled, detailed, and musical sound\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: Audio System Italy\u003c\/strong\u003e\u003c\/span\u003e\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: Twister F4.400\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAmplifier Type: 4-channel 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\u003eAmplifier class: Class A\/B\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOutput power at 4 ohms: 4 x 100 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\u003eOutput power at 2 ohms: 4 x 160 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\u003eOutput power (bridged at 4 ohms): 2 x 330 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\u003eMeasured voltage, power specifications: 14.4 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\u003eTHD at 4 x 100 W \/ 4 ohms: 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\u003eTHD at 4 x 160 W \/ 2 ohms: 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\u003eTHD at 2 x 330 W \/ 4 ohms (bridged): 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\u003eFrequency range: 5 – 25,000 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\u003eInput sensitivity: 0.2 – 5 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-pass filter (HPF): 20–150 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\u003eLow-pass filter (LPF): 45–300 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\u003eFilter slope: 12 dB\/octave\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003ePower connection: 4 GA \/ approx. 20 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 fuse rating: 80 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\u003eDimensions (W x H x D): 320 x 50 x 220 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\u003eWeight: approx. 2.8 kg\u003c\/strong\u003e\u003c\/span\u003e\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 Mode: Stereo and Bridged Mode\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eMinimum impedance in stereo mode: 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\u003eMinimum impedance in bridge mode: 4 ohms\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\u003eHigh-quality 4-channel Class A\/B 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\u003e4 x 160 watts RMS at 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\u003eUp to 2 x 330 watts RMS in bridge mode\u003c\/strong\u003e\u003c\/span\u003e\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 high-quality sound systems\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eIdeal for full-range front systems\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAlso suitable for driving high-performance mid-bass drivers or subwoofers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAdjustable high-pass and low-pass filters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWide frequency range up to 25 kHz\u003c\/strong\u003e\u003c\/span\u003e\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 Input Sensitivity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFlexible use as a 4-, 3-, or 2-channel configuration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eClassic Audio System Italy Twister Series\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Audio System Italy","offers":[{"title":"Default Title","offer_id":43882021191947,"sku":"","price":399.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/8063\/0283\/files\/123_90d916b0-3922-437f-a1a2-98770fb81f40.png?v=1700245552"},{"product_id":"audio-system-twister-f4-650","title":"Audio System Twister F4.650","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\u003eAudio System Italy Twister F4.650 is a powerful 4-channel amplifier designed for high-end car audio systems that require high output power, control, and high-quality music reproduction. The time-honored Twister series combines analog amplifier technology designed for sound quality with substantial power reserves\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWith 4 x 170 watts RMS at 4 ohms, the F4.650 is ideal for high-power front systems, active speaker setups, or sophisticated multi-way systems. At an impedance of 2 ohms, the output power increases to 4 x 260 watts RMS, allowing even high-power low-midrange drivers and subwoofer systems to be driven with ease\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eIn addition, the amplifier can be used in bridge mode. In this mode, it delivers 2 x 520 watts RMS at 4 ohms, so the Twister F4.650 can also be used with powerful woofers or subwoofers, for example\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eIntegrated high-pass and low-pass filters are available to adapt to different speaker configurations. The high-pass filter can be adjusted between 20 and 150 Hz, while the low-pass filter offers a control range from 45 to 300 Hz. With its wide frequency range of 5 to 25,000 Hz, the amplifier is designed for both low-frequency and broadband applications\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: Audio System Italy\u003c\/strong\u003e\u003c\/span\u003e\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: Twister\u003c\/strong\u003e\u003c\/span\u003e\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: F4.650\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAmplifier Type: 4-Channel Car Hi-Fi 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\u003eAmplifier class: Class A\/B\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eChannels: 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\u003eOutput power at 4 ohms: 4 x 170 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\u003eOutput power at 2 ohms: 4 x 260 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\u003eOutput power (bridged at 4 ohms): 2 x 520 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\u003eMeasured voltage for power specifications: 14.4 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\u003eTHD at 4 x 170 watts \/ 4 ohms: 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\u003eTHD at 4 x 260 watts \/ 2 ohms: 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\u003eTHD at 2 x 520 watts \/ 4 ohms bridged: 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\u003eFrequency range: 5 – 25,000 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\u003eInput sensitivity: 0.2–5 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\u003eHigh-pass filter (HPF): 20–150 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\u003eLow-pass filter (LPF): 45–300 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\u003eFilter slope: 12 dB\/octave\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003ePower connection: 4 AWG \/ approx. 20 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 external fuse rating: 110 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\u003eDimensions (L x H x W): 550 x 50 x 220 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\u003eWeight: approx. 4.6 kg\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBridge operation possible: Yes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e2-ohm stereo operation: Yes\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\u003eHigh-performance 4-channel amplifier from Audio System Italy's Twister 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\u003eAnalog Class A\/B Amplifier 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\u003eUp to 4 x 260 watts RMS at 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\u003ePowerful 2 x 520 watts RMS in bridged mode\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVery low distortion levels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWide frequency range up to 25 kHz\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eAdjustable High-Pass and Low-Pass Filters\u003c\/strong\u003e\u003c\/span\u003e\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 high-performance front systems and active car audio setups\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eCan also be used with kick basses and subwoofers in bridge mode\u003c\/strong\u003e\u003c\/span\u003e\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-quality component selection with a focus on linearity and minimal thermal drift\u003c\/strong\u003e\u003c\/span\u003e\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 reserves for demanding sound-quality installations\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Audio System Italy","offers":[{"title":"Default Title","offer_id":43882021847307,"sku":"","price":649.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/8063\/0283\/files\/123_baa21c8b-095f-433d-8268-2ee331889dc3.png?v=1700422374"},{"product_id":"audio-system-as4120","title":"Audio System AS4120","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe Audio System Italy AS4120 is a high-performance 4-channel amplifier designed for high-end car audio systems where sound quality, control, and power reserves are paramount. The amplifier was designed for high-end front and rear systems as well as for combined speaker and subwoofer configurations\u003c\/span\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWith 4 × 120 watts RMS at 4 ohms or 4 × 190 watts RMS at 2 ohms, the AS4120 delivers enough power to drive even high-impedance speaker systems with precision. In bridged mode, up to 2 × 380 watts RMS at 4 ohms are available. This makes the amplifier equally suitable for high-power 2-channel applications or for driving corresponding subwoofers\u003c\/span\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe AS4120 places special emphasis on its analog circuitry and high-quality components. Carefully selected transistors, low-impedance signal paths, and a design engineered for high current handling are intended to enable dynamic and controlled sound reproduction. The solid aluminum housing also aids in heat dissipation\u003c\/span\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eTo allow for flexible adaptation to any speaker system, the amplifier features a wide range of built-in crossovers. High-pass, low-pass, and band-pass filters enable various system configurations, while an adjustable bass boost offers additional customization options in the low-frequency range\u003c\/span\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 0);\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAmplifier Type: 4-Channel Car Hi-Fi Amplifier\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAmplifier class: Class A\/B\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eOutput power at 4 Ω: 4 × 120 watts RMS at 14.4 V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eOutput power at 2 Ω: 4 × 190 watts RMS at 14.4 V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBridge power at 4 Ω: 2 × 380 watts RMS at 14.4 V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMinimum load impedance in stereo mode: 2 Ω\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMinimum load impedance (bridged): 4 Ω\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFrequency response: 5 Hz – 25,000 Hz\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHigh-pass filter (HP): 15–500 Hz\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eLow-pass filter (LP): 50–4,000 Hz\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBandpass filter (BP): 15 – 4,000 Hz\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFilter slope: 12 dB\/octave\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBass Boost: 0 to +12 dB\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBass Boost Frequency: 45 Hz\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eInput sensitivity: 0.2 – 5 V RMS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHigh-level input: available\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSignal-to-noise ratio: 88 dB\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eTotal Harmonic Distortion (THD): 0.09%\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDimensions: 430 × 52 × 186 mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWeight: approx. 4.6 kg\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHousing: Aluminum\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eManufacturing: Made in Italy\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline; color: rgb(0, 0, 0);\"\u003eAmenities \u0026amp; Special Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHigh-Performance 4-Channel Analog System\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e2-ohm stable in stereo mode\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBridge mode is available for high-performance 2-channel configurations\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eIntegrated high-pass, low-pass, and band-pass filters\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAdjustable Bass Boost\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHigh-level inputs for flexible integration\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCarefully selected transistors and high-quality passive components\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eInternal structure capable of withstanding electrical loads\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSolid aluminum housing for effective heat dissipation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSuitable for high-end front speaker systems, multi-channel systems, and subwoofer applications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0); font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDevelopment and Manufacturing in Italy\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Audio System Italy","offers":[{"title":"Default Title","offer_id":43882054648075,"sku":"","price":319.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/8063\/0283\/products\/AS1.jpg?v=1681326986"}],"url":"https:\/\/mtiudio.com\/en\/collections\/4-kanal-audio-system-italy.oembed","provider":"MT Audio Shop","version":"1.0","type":"link"}