{"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 data-start=\"101\" data-end=\"470\"\u003eUpgrade your car audio system with the powerful \u003cstrong data-start=\"149\" data-end=\"226\"\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 data-start=\"472\" data-end=\"840\"\u003eThe ST-5B amplifier provides \u003cstrong data-start=\"501\" data-end=\"576\"\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 data-start=\"650\" data-end=\"712\"\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 data-start=\"842\" data-end=\"1046\"\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 data-start=\"1048\" data-end=\"1051\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1053\" data-end=\"1068\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-start=\"1070\" data-end=\"1208\"\u003e✔ \u003cstrong data-start=\"1072\" data-end=\"1105\"\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 data-start=\"1210\" data-end=\"1359\"\u003e✔ \u003cstrong data-start=\"1212\" data-end=\"1248\"\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 data-start=\"1361\" data-end=\"1506\"\u003e✔ \u003cstrong data-start=\"1363\" data-end=\"1397\"\u003eVariable Electronic Crossovers\u003c\/strong\u003e – Includes \u003cstrong data-start=\"1409\" data-end=\"1446\"\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 data-start=\"1508\" data-end=\"1642\"\u003e✔ \u003cstrong data-start=\"1510\" data-end=\"1535\"\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 data-start=\"1644\" data-end=\"1768\"\u003e✔ \u003cstrong data-start=\"1646\" data-end=\"1673\"\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 data-start=\"1770\" data-end=\"1864\"\u003e✔ \u003cstrong data-start=\"1772\" data-end=\"1800\"\u003eCompact Aluminum Chassis\u003c\/strong\u003e – Efficient cooling and easier installation in modern vehicles.\u003c\/p\u003e\n\u003chr data-start=\"1866\" data-end=\"1869\"\u003e\n\u003ch2 data-section-id=\"1u71o3p\" data-start=\"1871\" data-end=\"1886\"\u003ePower Output\u003c\/h2\u003e\n\u003cul data-start=\"1888\" data-end=\"2022\"\u003e\n\u003cli data-section-id=\"5m91du\" data-start=\"1888\" data-end=\"1930\"\u003e\n\u003cp data-start=\"1890\" data-end=\"1930\"\u003e\u003cstrong data-start=\"1890\" data-end=\"1909\"\u003eRMS Power @ 4Ω:\u003c\/strong\u003e 70W × 4 + 250W × 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"k1ghox\" data-start=\"1931\" data-end=\"1974\"\u003e\n\u003cp data-start=\"1933\" data-end=\"1974\"\u003e\u003cstrong data-start=\"1933\" data-end=\"1952\"\u003eRMS Power @ 2Ω:\u003c\/strong\u003e 100W × 4 + 400W × 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"v1guz2\" data-start=\"1975\" data-end=\"2022\"\u003e\n\u003cp data-start=\"1977\" data-end=\"2022\"\u003e\u003cstrong data-start=\"1977\" data-end=\"2000\"\u003eBridged Power @ 4Ω:\u003c\/strong\u003e 180W × 2 + 400W × 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2024\" data-end=\"2221\"\u003eThis power configuration allows the amplifier to efficiently run \u003cstrong data-start=\"2089\" data-end=\"2157\"\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 data-start=\"2223\" data-end=\"2226\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"2228\" data-end=\"2255\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul data-start=\"2257\" data-end=\"2541\"\u003e\n\u003cli data-section-id=\"1vc0fs5\" data-start=\"2257\" data-end=\"2301\"\u003e\n\u003cp data-start=\"2259\" data-end=\"2301\"\u003e\u003cstrong data-start=\"2259\" data-end=\"2278\"\u003eAmplifier Type:\u003c\/strong\u003e Class A\/B Full Range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ku1ovr\" data-start=\"2302\" data-end=\"2321\"\u003e\n\u003cp data-start=\"2304\" data-end=\"2321\"\u003e\u003cstrong data-start=\"2304\" data-end=\"2317\"\u003eChannels:\u003c\/strong\u003e 5\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"52v4a1\" data-start=\"2322\" data-end=\"2370\"\u003e\n\u003cp data-start=\"2324\" data-end=\"2370\"\u003e\u003cstrong data-start=\"2324\" data-end=\"2347\"\u003eFrequency Response:\u003c\/strong\u003e 10 Hz – 30 kHz ±1 dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1kqgcc9\" data-start=\"2371\" data-end=\"2409\"\u003e\n\u003cp data-start=\"2373\" data-end=\"2409\"\u003e\u003cstrong data-start=\"2373\" data-end=\"2399\"\u003eSignal-to-Noise Ratio:\u003c\/strong\u003e \u0026gt; 90 dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1s0girj\" data-start=\"2410\" data-end=\"2429\"\u003e\n\u003cp data-start=\"2412\" data-end=\"2429\"\u003e\u003cstrong data-start=\"2412\" data-end=\"2420\"\u003eTHD:\u003c\/strong\u003e \u0026lt; 0.2%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wxygpi\" data-start=\"2430\" data-end=\"2467\"\u003e\n\u003cp data-start=\"2432\" data-end=\"2467\"\u003e\u003cstrong data-start=\"2432\" data-end=\"2454\"\u003eInput Sensitivity:\u003c\/strong\u003e 0.25V – 5V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5it0gw\" data-start=\"2468\" data-end=\"2503\"\u003e\n\u003cp data-start=\"2470\" data-end=\"2503\"\u003e\u003cstrong data-start=\"2470\" data-end=\"2493\"\u003eChannel Separation:\u003c\/strong\u003e \u0026gt; 45 dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xxwjh6\" data-start=\"2504\" data-end=\"2541\"\u003e\n\u003cp data-start=\"2506\" data-end=\"2541\"\u003e\u003cstrong data-start=\"2506\" data-end=\"2521\"\u003eDimensions:\u003c\/strong\u003e 182 × 52 × 351 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2543\" data-end=\"2686\"\u003eThese specifications ensure \u003cstrong data-start=\"2571\" data-end=\"2647\"\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 data-start=\"2688\" data-end=\"2691\"\u003e\n\u003ch2 data-section-id=\"6hv2og\" data-start=\"2693\" data-end=\"2712\"\u003ePackage Includes\u003c\/h2\u003e\n\u003cul data-start=\"2714\" data-end=\"2826\"\u003e\n\u003cli data-section-id=\"1a9gl6d\" data-start=\"2714\" data-end=\"2743\"\u003e\n\u003cp data-start=\"2716\" data-end=\"2743\"\u003e1 × Zapco ST-5B Amplifier\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rfr4z9\" data-start=\"2744\" data-end=\"2774\"\u003e\n\u003cp data-start=\"2746\" data-end=\"2774\"\u003e1 × Bass Remote Controller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1luz5ly\" data-start=\"2775\" data-end=\"2794\"\u003e\n\u003cp data-start=\"2777\" data-end=\"2794\"\u003eMounting Screws\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16w5ib\" data-start=\"2795\" data-end=\"2810\"\u003e\n\u003cp data-start=\"2797\" data-end=\"2810\"\u003eUser Manual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hgxn6w\" data-start=\"2811\" data-end=\"2826\"\u003e\n\u003cp data-start=\"2813\" data-end=\"2826\"\u003eWarranty Card\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2828\" data-end=\"2831\"\u003e\n\u003ch2 data-section-id=\"50x17o\" data-start=\"2833\" data-end=\"2858\"\u003eWhy Choose Zapco ST-5B\u003c\/h2\u003e\n\u003cul data-start=\"2860\" data-end=\"3098\"\u003e\n\u003cli data-section-id=\"bmagpv\" data-start=\"2860\" data-end=\"2923\"\u003e\n\u003cp data-start=\"2862\" data-end=\"2923\"\u003ePerfect \u003cstrong data-start=\"2870\" data-end=\"2921\"\u003esingle-amp solution for a full car audio system\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tuj9mx\" data-start=\"2924\" data-end=\"2987\"\u003e\n\u003cp data-start=\"2926\" data-end=\"2987\"\u003eClean \u003cstrong data-start=\"2932\" data-end=\"2960\"\u003eClass-AB sound signature\u003c\/strong\u003e preferred by audiophiles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ofyb95\" data-start=\"2988\" data-end=\"3046\"\u003e\n\u003cp data-start=\"2990\" data-end=\"3046\"\u003eFlexible tuning with crossover and bass boost controls\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dcbvf\" data-start=\"3047\" data-end=\"3098\"\u003e\n\u003cp data-start=\"3049\" data-end=\"3098\"\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":51911101317421,"sku":"TCZ-Zapco-ST-5B","price":17220.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/1848\/5293\/files\/Zapco_ST-5B_5-Channel_Class_A_B_Car_Amplifier_for_High-Fidelity_Audio_and_Subwoofer_Support..png?v=1776680686","url":"https:\/\/nhone.in\/products\/zapco-st-5b-5-channel-class-a-b-car-amplifier","provider":"NH ONE","version":"1.0","type":"link"}