{"product_id":"3-channel-digital-subwoofer-amplifier-board","title":"3 Channel Digital Subwoofer Amplifier Board","description":"\u003cmeta name=\"description\" content=\"Buy 3 Channel Digital Subwoofer Amplifier Board online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003e3 Channel Digital Subwoofer Amplifier Board\u003c\/h1\u003e\n\u003cp\u003eBuild powerful, room-filling audio systems with this 3 Channel Digital Subwoofer Amplifier Board. Designed for high-efficiency Class-D amplification, this board delivers dedicated subwoofer output alongside two full-range stereo channels - ideal for creating 2.1 speaker setups, home theater systems, portable Bluetooth speakers, and custom audio projects. Available now from The Tech Depot, Bengaluru, with fast shipping and full technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003e3 Channel Digital Audio Amplifier Board (2.1 Configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier Class\u003c\/td\u003e\n\u003ctd\u003eClass-D (High Efficiency Digital)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Configuration\u003c\/td\u003e\n\u003ctd\u003e2 Stereo Channels + 1 Dedicated Subwoofer Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Input\u003c\/td\u003e\n\u003ctd\u003eStereo Analog Input (3.5mm \/ RCA \/ Solder Pads)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e20Hz - 20kHz (Full Range) \/ Subwoofer Crossover ~150Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in Features\u003c\/td\u003e\n\u003ctd\u003eSubwoofer Low-Pass Filter, Bass Boost Circuitry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eDC Input (Voltage varies by model - typically 12V-24V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;90% (Class-D Topology)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB Build\u003c\/td\u003e\n\u003ctd\u003eHigh-quality double-sided PCB with quality capacitors and inductors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eScrew Terminals \/ Solder Pads for Speaker Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue 2.1 Channel Architecture:\u003c\/strong\u003e Two independent stereo channels for left\/right speakers plus a dedicated subwoofer channel with integrated low-pass crossover filter for deep, controlled bass reproduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency Class-D Amplification:\u003c\/strong\u003e Digital switching topology delivers over 90% power efficiency, meaning minimal heat generation, no bulky heatsinks required, and maximum power delivered to your speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Subwoofer Crossover:\u003c\/strong\u003e Onboard low-pass filter automatically routes only bass frequencies to the subwoofer channel, eliminating the need for external crossover circuits and simplifying your build.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Small PCB footprint makes it easy to integrate into custom enclosures, portable speaker builds, car audio systems, and space-constrained installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Power Supply Compatibility:\u003c\/strong\u003e Operates on standard DC power supplies, making it versatile for battery-powered portable builds, desktop setups, or dedicated power supply configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Audio Output:\u003c\/strong\u003e Low THD (Total Harmonic Distortion) ensures clear, detailed sound across all three channels with minimal noise floor for enjoyable listening at any volume level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Wiring \u0026amp; Integration:\u003c\/strong\u003e Clearly labeled solder pads and screw terminals for speaker outputs and power input - no complex wiring diagrams needed for quick setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This Amplifier Board?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic board sourced from trusted suppliers - guaranteed quality components\u003c\/li\u003e\n\u003cli\u003eDedicated subwoofer channel transforms ordinary speaker builds into immersive 2.1 audio systems\u003c\/li\u003e\n\u003cli\u003eClass-D efficiency means longer battery life in portable builds and cooler operation overall\u003c\/li\u003e\n\u003cli\u003ePerfect balance of power, size, and affordability for DIY audio enthusiasts\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most locations across India\u003c\/li\u003e\n\u003cli\u003eExpert technical support included - get help with wiring, power supply selection, and speaker matching\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProject Ideas\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY 2.1 Bluetooth Speaker:\u003c\/strong\u003e Pair this board with a Bluetooth audio receiver module, two full-range drivers, and a subwoofer to build a portable or desktop Bluetooth speaker system with real bass impact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Home Theater System:\u003c\/strong\u003e Create a compact 2.1 home audio setup for your TV, computer, or media center with dedicated subwoofer output for movies and music.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable Party Speaker:\u003c\/strong\u003e Combine with a rechargeable lithium battery pack and rugged enclosure for a powerful portable speaker that delivers deep bass at outdoor events and gatherings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCar Audio Upgrade:\u003c\/strong\u003e Install as an aftermarket amplifier board for car audio systems - drive door speakers and a subwoofer from a single compact board powered by your vehicle's 12V system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesktop PC Audio System:\u003c\/strong\u003e Build a custom-powered 2.1 desktop speaker system that outperforms commercial options at a fraction of the cost, with bass you can actually feel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEducational Audio Electronics:\u003c\/strong\u003e Ideal for students learning about amplifier design, crossover networks, Class-D topology, and audio signal processing in hands-on lab environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArcade Cabinet or Gaming Setup:\u003c\/strong\u003e Integrate into retro arcade builds or gaming desks for immersive sound with dedicated bass response during gameplay.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Connect\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Connect an appropriate DC power supply (check board specifications for voltage\/current requirements) to the\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy 3 Channel Digital Subwoofer Amplifier Board Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003e3 Channel Digital Subwoofer Amplifier Board\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003e3 Channel Digital Subwoofer Amplifier Board\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003e3 Channel Digital Subwoofer Amplifier Board\u003c\/strong\u003e at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746557079809,"sku":"TTD-17764","price":1269.88,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/927373ec8647952ef138f49d55315e72.jpg?v=1778107527","url":"https:\/\/techdepot.in\/products\/3-channel-digital-subwoofer-amplifier-board","provider":"Tech Depot India","version":"1.0","type":"link"}