{"product_id":"zapco-st-5b-5-channel-class-a-b-car-amplifier","title":"Zapco ST-5B 5-Channel Class A\/B Car Amplifier","description":"\u003cp\u003eUpgrade your car audio system with the powerful \u003cstrong\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eZapco\u003c\/span\u003e\u003c\/span\u003e ST-5B 5-Channel Class A\/B Amplifier\u003c\/strong\u003e, designed to deliver clean, dynamic sound while powering both speakers and a subwoofer from a single compact unit. Part of the Studio-B series, this amplifier combines Zapco’s legendary sound quality with versatile system integration features.\u003c\/p\u003e\n\u003cp\u003eThe ST-5B amplifier provides \u003cstrong\u003efour full-range channels for speakers and a dedicated subwoofer channel\u003c\/strong\u003e, making it ideal for complete front-stage and subwoofer setups. With its \u003cstrong\u003eMOSFET power supply, adjustable crossovers, and bass boost\u003c\/strong\u003e, the amplifier ensures powerful output with minimal distortion and precise sound control. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhether upgrading factory speakers or building a custom sound system, the Zapco ST-5B offers reliable performance, excellent tuning flexibility, and strong power output for everyday car audio enthusiasts.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003e✔ \u003cstrong\u003e5-Channel Class A\/B Amplifier\u003c\/strong\u003e – Power four speakers and a subwoofer from a single amplifier. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e✔ \u003cstrong\u003eHigh-Quality MOSFET Power Supply\u003c\/strong\u003e – Provides stable and efficient power delivery for clean sound output. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e✔ \u003cstrong\u003eVariable Electronic Crossovers\u003c\/strong\u003e – Includes \u003cstrong\u003eFULL \/ HP \/ LP crossover controls\u003c\/strong\u003e for precise tuning. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e✔ \u003cstrong\u003eBass Boost Adjustment\u003c\/strong\u003e – Enhance low-frequency output for stronger subwoofer performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e✔ \u003cstrong\u003eRCA \u0026amp; High-Level Inputs\u003c\/strong\u003e – Compatible with both aftermarket and OEM head units. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e✔ \u003cstrong\u003eCompact Aluminum Chassis\u003c\/strong\u003e – Efficient cooling and easier installation in modern vehicles.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePower Output\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRMS Power @ 4Ω:\u003c\/strong\u003e 70W × 4 + 250W × 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRMS Power @ 2Ω:\u003c\/strong\u003e 100W × 4 + 400W × 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBridged Power @ 4Ω:\u003c\/strong\u003e 180W × 2 + 400W × 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis power configuration allows the amplifier to efficiently run \u003cstrong\u003efront speakers, rear speakers, and a dedicated subwoofer channel\u003c\/strong\u003e in a single installation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAmplifier Type:\u003c\/strong\u003e Class A\/B Full Range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChannels:\u003c\/strong\u003e 5\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 10 Hz – 30 kHz ±1 dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal-to-Noise Ratio:\u003c\/strong\u003e \u0026gt; 90 dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTHD:\u003c\/strong\u003e \u0026lt; 0.2%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Sensitivity:\u003c\/strong\u003e 0.25V – 5V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChannel Separation:\u003c\/strong\u003e \u0026gt; 45 dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 182 × 52 × 351 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese specifications ensure \u003cstrong\u003eclean sound reproduction with low distortion and excellent dynamic range\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 × Zapco ST-5B Amplifier\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 × Bass Remote Controller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMounting Screws\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUser Manual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWarranty Card\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Choose Zapco ST-5B\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePerfect \u003cstrong\u003esingle-amp solution for a full car audio system\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClean \u003cstrong\u003eClass-AB sound signature\u003c\/strong\u003e preferred by audiophiles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible tuning with crossover and bass boost controls\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReliable build quality from Zapco’s Studio Series\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZAPCO","offers":[{"title":"Default Title","offer_id":48249968984116,"sku":"TCZ-Zapco-ST-5B","price":17220.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/9513\/1444\/files\/8938149412916_Untitleddesign_18_4c7c94c2-c9cd-45e3-a9c5-d8ebe4e4fa4d.png?v=1789358947","url":"https:\/\/cardost.in\/products\/zapco-st-5b-5-channel-class-a-b-car-amplifier","provider":"CarDost","version":"1.0","type":"link"}