{"product_id":"zapco-st-4b-amp-4-channel-class-ab-full-range-bridgeable-amplifier-4x-65w-rms-copy","title":"Zapco ST-5B Amp 5 Channel Class AB Full Range Amplifier 4x70w + 1x250 RMS","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"a-list-item\"\u003e5-Channel, Class-AB Full Range Amplifier, Stable into 4 ohms bridged or 2 ohms stereo load\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\"\u003e5-CHANNEL CLASS-AB AMPLIFIER: Full-range amplifier delivers 4 x 70 watts at 4 ohms plus 1 x 250 watts subwoofer channel, or 4 x 100 watts at 2 ohms plus 1 x 400 watts for powerful, versatile audio performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\"\u003eFLEXIBLE POWER CONFIGURATION: Stable into 4 ohms bridged or 2 ohms stereo load with bridged output of 2 x 180 watts plus 1 x 400 watts at 2 ohms for maximum flexibility in system design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\"\u003eADVANCED MOSFET POWER SUPPLY: Features high-efficiency MOSFET technology with less than 0.2% THD at rated power, greater than 90dB signal-to-noise ratio, and greater than 45dB channel separation for clean, distortion-free sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\"\u003eVERSATILE INPUT AND TUNING OPTIONS: Equipped with RCA and OEM speaker level inputs, variable input gain control from 0.25v to 5v, variable full\/LP\/HP electronic crossover, and adjustable bass boost for precise sound customization.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"a-list-item\"\u003eCOMPACT DIMENSIONS: Measures 7.17 inches wide x 2.05 inches high x 15 inches long overall, making it easy to install in tight spaces while delivering professional-grade amplification with 10Hz to 20KHz frequency response.\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cspan\u003eFeatures and Functions\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e5-Channel, Class-AB Full Range Amplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e Stable into 4 ohms bridged or 2 ohms stereo load\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMOSFET power supply\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRCA and OEM speaker-level input\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVariable Inputs Gain Control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVariable FULL \/ LP \/ HP Electronic Crossover\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVariable Bass Boost\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMOSFET power supply\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRCA and OEM speaker-level input\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVariable Inputs Gain Control\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVariable FULL \/ LP \/ HP Electronic Crossover\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVariable Bass Boost\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower @ 4Ω: 4 x 70 + 1 x 250 watts\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower @ 2Ω: 4 x 100 + 1 x 400 watts\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower @ 4Ω Bridged: 2 x 180 + 1 x 400 (2Ω)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTHD @ Rated Power \u0026lt; 0.2%\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSignal to Noise Ratio \u0026gt; 90dB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eChannel separation \u0026gt; 45dB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFrequency Response 10Hz to 20KHz ±1dB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInput Sensitivity .25v to 5v\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNet Dimensions (mm): 182(W) x 52(H) x 351(L)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOverall Dimensions (mm): 182(W) x 52(H) x 381(L)\u003c\/li\u003e\n\u003cli\u003eUK Internet Dealer\u003c\/li\u003e\n\u003cli\u003eManufacturer's Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eRelated Products:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/audiovisualworld.co.uk\/car-audio\/installation-accessories\/amp-wiring-kits\/4-awg-4-gauge\/connects2-ct35-4awg-4-gauge-1600-watt-amplifier-wiring-kit.html\"\u003e\u003cimg alt=\"\" src=\"https:\/\/audiovisualworld.co.uk\/media\/catalog\/product\/cache\/1\/thumbnail\/65x\/040ec09b1e35df139433887a97daa66f\/P\/C\/PC4-20__92695.jpg\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e  Amp Wiring Kits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #000000; font-family: 'Times New Roman'; font-size: 16px; text-align: center;\"\u003e \u003c\/span\u003e\u003c\/div\u003e","brand":"Zapco","offers":[{"title":"Default Title","offer_id":52779410161930,"sku":"ST-4B","price":174.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/4578\/4842\/files\/ST-5B-1.jpg?v=1774621257","url":"https:\/\/audiovisualworld.co.uk\/products\/zapco-st-4b-amp-4-channel-class-ab-full-range-bridgeable-amplifier-4x-65w-rms-copy","provider":"Audio Visual World","version":"1.0","type":"link"}