{"product_id":"zapco-st-a1-4-channel-compact-amp-android-unit-class-ab-amplifier-plug-play-4x35w-rms-copy-1","title":"Zapco ST-4B Amp 4 Channel Class AB Full Range Bridgeable Amplifier 4x 65w RMS","description":"\u003cdiv\u003e\u003cspan\u003eThe zapco ST-4B 4-channel bridgeable 2 to 6 channels, amp brings the sound quality and reliability that built the zapco legend; and an amplifier that everyone can afford. The extruded aluminum chassis is compact to fit today's smaller cars. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThe feature set provides versatility, including built in crossovers, bass boost and preamp outputs. The ST-4B amplifier is misfit powered, uses class nab designed high-current bi-polar outputs, pass through preamp outs, and high-voltage speaker-level inputs. Th.D. + noise: \u0026lt;0.03%, signal to noise ratio: \u0026gt;82Db, stereo separation: \u0026gt;45Db.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan\u003eFeatures and Functions\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e4-Channel, Class-AB Full Range Amplifier\u003c\/li\u003e\n\u003cli\u003eStable into 4 ohms bridged or 2 ohms stereo load\u003c\/li\u003e\n\u003cli\u003eMOSFET power supply\u003c\/li\u003e\n\u003cli\u003eRCA and OEM speaker-level input\u003c\/li\u003e\n\u003cli\u003eVariable Inputs Gain Control\u003c\/li\u003e\n\u003cli\u003eVariable FULL \/ LP \/ HP Electronic Crossover\u003c\/li\u003e\n\u003cli\u003eVariable Bass Boost\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower @ 4Ω: 4 x 65 watts\u003c\/li\u003e\n\u003cli\u003ePower @ 2Ω: 4 x 90 watts\u003c\/li\u003e\n\u003cli\u003ePower @ 4Ω Bridged: 2 x 180 watts\u003c\/li\u003e\n\u003cli\u003eTHD @ Rated Power \u0026lt; 0.2%\u003c\/li\u003e\n\u003cli\u003eSignal to Noise Ratio \u0026gt; 97dB\u003c\/li\u003e\n\u003cli\u003eChannel separation \u0026gt; 45dB\u003c\/li\u003e\n\u003cli\u003eFrequency Response 20Hz to 20,000Hz ±1dB\u003c\/li\u003e\n\u003cli\u003eInput Sensitivity .25v to 5v\u003c\/li\u003e\n\u003cli\u003eDimensions: 7.16\" (W) x 2.04\" (H) x 12.2\" (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 src=\"https:\/\/audiovisualworld.co.uk\/media\/catalog\/product\/cache\/1\/thumbnail\/65x\/040ec09b1e35df139433887a97daa66f\/P\/C\/PC4-20__92695.jpg\" alt=\"\"\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":52779372413194,"sku":"ST-4B","price":99.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/4578\/4842\/files\/zapcoST-A1-1.jpg?v=1774618996","url":"https:\/\/audiovisualworld.co.uk\/products\/zapco-st-a1-4-channel-compact-amp-android-unit-class-ab-amplifier-plug-play-4x35w-rms-copy-1","provider":"Audio Visual World","version":"1.0","type":"link"}