{"product_id":"digital-sub-woofer-power-amplifier-board-tpa3116d2-dc-12-24-v-3-channel","title":"Digital Sub woofer Power Amplifier Board TPA3116D2 DC 12-24 V,  3 Channel","description":"\u003cmeta name=\"description\" content=\"Buy Digital Sub woofer Power Amplifier Board TPA3116D2 DC 12-24 V, 3 Channel 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\n\u003ch1\u003eDigital Sub woofer Power Amplifier Board TPA3116D2 DC 12-24 V, 3 Channel\u003c\/h1\u003e\n\n\u003cp\u003eThe TPA3116D2 is a high-performance digital subwoofer power amplifier board featuring Class D amplification technology designed to deliver powerful bass output with minimal power consumption. Professional audio engineers, home theater installers, and automotive sound system designers rely on this board to drive subwoofers with exceptional clarity and dynamic range across its 3-channel configuration. This amplifier solves the critical challenge of delivering clean, distortion-free low-frequency reproduction while operating efficiently from compact 12-24V DC power supplies.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe TPA3116D2 utilizes advanced Class D amplification architecture, which converts analog audio signals into high-frequency PWM (Pulse Width Modulation) signals that drive the output stage with remarkable efficiency. This topology delivers significantly more power output compared to traditional Class AB amplifiers while generating minimal heat, making it ideal for space-constrained installations. The 3-channel configuration allows simultaneous amplification of subwoofer channels with independent gain control and crossover filtering capabilities, enabling precise tuning of low-frequency response in professional audio applications.\u003c\/p\u003e\n\n\u003cp\u003eThe board's wide voltage input range of 12-24V DC provides exceptional flexibility for integration into various power supply ecosystems, from automotive installations to professional studio setups. The TPA3116D2 chipset incorporates integrated protection circuitry including thermal shutdown, short-circuit protection, and DC offset detection, ensuring reliable long-term operation even in demanding environments. The compact PCB design facilitates easy integration into custom enclosures while maintaining optimal thermal characteristics through strategic component placement and copper area distribution.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDigital Class D Subwoofer Power Amplifier Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChipset\u003c\/td\u003e\n\u003ctd\u003eTPA3116D2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e3 Channel Configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Voltage\u003c\/td\u003e\n\u003ctd\u003eDC 12-24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e2x100W at 4 Ohms, 1x100W Subwoofer Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e20Hz - 20kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD+N\u003c\/td\u003e\n\u003ctd\u003eLess than 0.1% at rated power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e10kOhms\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 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eClass D Digital Amplification with 92% power efficiency, reducing heat dissipation and power consumption compared to analog amplifiers\u003c\/li\u003e\n\u003cli\u003eWide Supply Voltage Range of 12-24V DC enabling flexible integration into automotive, portable, and stationary audio systems\u003c\/li\u003e\n\u003cli\u003e3-Channel Independent Amplification allowing simultaneous control of left, right, and subwoofer channels with individual gain adjustment\u003c\/li\u003e\n\u003cli\u003eIntegrated Protection Circuitry including thermal shutdown at 150 degrees Celsius, short-circuit protection, and DC offset detection for safe operation\u003c\/li\u003e\n\u003cli\u003eLow Distortion Output with THD+N below 0.1% ensuring pristine audio reproduction without audible artifacts\u003c\/li\u003e\n\u003cli\u003eCompact PCB Design measuring approximately 12x8cm, facilitating integration into custom enclosures and space-limited installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHome Theater Systems requiring dedicated subwoofer amplification with clean bass reproduction and dynamic range for movie soundtracks\u003c\/li\u003e\n\u003cli\u003eAutomotive Audio Installations in vehicles where compact amplifiers are essential for trunk-mounted subwoofer enclosures with 12V power availability\u003c\/li\u003e\n\u003cli\u003eProfessional Studio Monitoring Systems using the TPA3116D2 for accurate low-frequency reproduction in mastering and mixing environments\u003c\/li\u003e\n\u003cli\u003ePortable PA Systems and DJ Equipment requiring lightweight, power-efficient amplification from battery or vehicle power sources\u003c\/li\u003e\n\u003cli\u003eDIY Audio Projects including custom speaker systems, gaming setups, and multimedia installations where flexible voltage input is beneficial\u003c\/li\u003e\n\u003cli\u003eBluetooth Speaker Modifications integrating the amplifier board to enhance bass output in portable wireless audio devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eBegin by selecting an appropriate power supply within the 12-24V DC range, ensuring adequate current capacity for your desired output power level. Connect the positive and negative power supply terminals to the board's power input while observing correct polarity to prevent damage. Connect your audio source signals to the RCA or 3.5mm input connectors, adjusting the input level potentiometers to achieve optimal signal strength without clipping. Connect your speaker loads to the output terminals, ensuring impedance matches the board's specifications and that all connections are secure before powering on the system.\u003c\/p\u003e\n\n\u003cp\u003eFor subwoofer-specific applications, utilize the dedicated subwoofer channel with appropriate low-pass filtering to isolate bass frequencies below 100Hz. Adjust the gain controls gradually while monitoring output for distortion, starting at minimum gain and increasing until you achieve the desired volume level. Allow adequate ventilation around the amplifier board during operation, as Class D amplifiers generate minimal but concentrated heat. For automotive installations, install the amplifier in a location protected from moisture and vibration, using appropriate shielding to minimize electromagnetic interference with vehicle electronics.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum output power of the TPA3116D2 amplifier board?\u003c\/summary\u003e\n\u003cp\u003eThe TPA3116D2 delivers approximately 2x100W at 4 Ohms for the stereo channels and 100W for the dedicated subwoofer channel when powered from a 24V supply. Output power scales proportionally with supply voltage, so at 12V operation you can expect approximately 50% of these ratings. Always verify your specific power supply voltage and speaker impedance to calculate exact output capabilities for your application.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this amplifier with a 12V car battery?\u003c\/summary\u003e\n\u003cp\u003eYes, the TPA3116D2 is fully compatible with 12V automotive power systems. The board's wide voltage input range specifically supports 12V operation, making it ideal for car audio installations. Ensure your vehicle's electrical system can supply sufficient current for your desired output power, and consider adding a capacitor bank near the amplifier input to stabilize voltage during high-power transients.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat speaker impedance should I use with this amplifier?\u003c\/summary\u003e\n\u003cp\u003eThe TPA3116D2 is optimized for 4 Ohm speaker loads, which provides maximum power output and stability. You can use 8 Ohm speakers, though output power will be reduced to approximately 50W per channel. Avoid impedances below 4 Ohms as this may trigger protection circuits. For subwoofer applications, 4 Ohm single drivers or dual 8 Ohm drivers wired in parallel are recommended configurations.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the board require external cooling or heat sink?\u003c\/summary\u003e\n\u003cp\u003eThe TPA3116D2 Class D amplifier generates minimal heat compared to analog amplifiers, but sustained high-power operation may require passive cooling. The board typically includes a small heat sink area, but for continuous operation above 80% power output, consider mounting it on an aluminum plate or adding a small fan for active cooling. Ensure adequate ventilation around the board to prevent thermal shutdown.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the input signal level required for this amplifier?\u003c\/summary\u003e\n\u003cp\u003eThe TPA3116D2 accepts standard line-level audio signals with input impedance of 10kOhms. Typical audio sources like smartphones, tablets, and audio interfaces output signals in the 0.5-2V RMS range, which the board's adjustable gain controls can accommodate. Use the onboard potentiometers to match your specific audio source level to prevent clipping or insufficient volume.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. 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 for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Tech Depot\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy Digital Sub woofer Power Amplifier Board TPA3116D2 DC 12-24 V, 3 Channel Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the Digital Sub woofer Power Amplifier Board TPA3116D2 DC 12-24 V, 3 Channel online at The Tech Depot, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Digital Sub woofer Power Amplifier Board TPA3116D2 DC 12-24 V, 3 Channel with fast shipping and expert support.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745106112769,"sku":"TTD-14524","price":2118.94,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/5e11c4aea10fd9586735ed063cac9b9d.jpg?v=1778082063","url":"https:\/\/techdepot.in\/products\/digital-sub-woofer-power-amplifier-board-tpa3116d2-dc-12-24-v-3-channel","provider":"Tech Depot India","version":"1.0","type":"link"}