{"product_id":"tpa3116d2-audio-dual-channel-stereo-digital-amplifier-board-80w-2","title":"TPA3116D2 Audio Dual Channel Stereo Digital Amplifier Board 80W*2","description":"\u003cmeta name=\"description\" content=\"Buy TPA3116D2 Audio Dual Channel Stereo Digital Amplifier Board 80W*2 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\u003eTPA3116D2 Audio Dual Channel Stereo Digital Amplifier Board 80W*2\u003c\/h1\u003e\n\n\u003cp\u003eThe TPA3116D2 is a high-performance Class D digital amplifier board delivering 80W per channel in stereo configuration, utilizing Texas Instruments' advanced PWM technology for efficient audio amplification. Audio engineers, DIY enthusiasts, and professional sound system integrators rely on this board for compact, high-fidelity amplification in active speakers, home theater systems, and portable audio solutions. This amplifier solves the critical challenge of delivering clean, distortion-free power amplification in space-constrained applications while maintaining exceptional thermal efficiency and low power consumption.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe TPA3116D2 amplifier board employs Class D switching topology, which achieves superior power efficiency compared to traditional Class AB amplifiers. The TPA3116D2 IC from Texas Instruments integrates advanced PWM (Pulse Width Modulation) circuitry, enabling the conversion of low-level audio signals into high-power stereo output with minimal heat generation. The dual-channel configuration allows independent left and right channel amplification, making it ideal for stereo audio applications. Built-in protection circuits safeguard against thermal runaway, short circuits, and DC offset faults, ensuring reliable long-term operation in demanding environments.\u003c\/p\u003e\n\n\u003cp\u003eThis amplifier board features a compact PCB design with integrated power supply filtering, making it suitable for embedded audio systems, portable Bluetooth speakers, and professional audio equipment. The TPA3116D2 delivers exceptional signal-to-noise ratio and low total harmonic distortion (THD), typically below 1% at rated output, ensuring pristine audio reproduction across the full frequency spectrum. The board accepts standard line-level audio inputs (RCA or 3.5mm jack) and requires a single 24V DC power supply, simplifying system integration. Advanced thermal management through efficient switching reduces component stress and extends operational lifespan significantly.\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\u003eDual Channel Class D Stereo Digital Amplifier Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTexas Instruments TPA3116D2\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\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e80W x 2 channels at 4 Ohms, 24V DC supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD (Total Harmonic Distortion)\u003c\/td\u003e\n\u003ctd\u003eLess than 1% at rated output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e10 kOhms (RCA input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal-to-Noise Ratio\u003c\/td\u003e\n\u003ctd\u003eGreater than 100 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e20 Hz to 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Requirement\u003c\/td\u003e\n\u003ctd\u003e24V DC, 5A minimum recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB Dimensions\u003c\/td\u003e\n\u003ctd\u003eApproximately 80mm x 100mm x 30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Features\u003c\/td\u003e\n\u003ctd\u003eThermal shutdown, DC offset protection, short circuit protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Efficiency Class D Amplification: Delivers 80W per channel with minimal power loss and heat generation, ideal for battery-powered and portable applications\u003c\/li\u003e\n\u003cli\u003eLow Distortion Performance: THD below 1% ensures clean, transparent audio reproduction without audible artifacts or signal degradation\u003c\/li\u003e\n\u003cli\u003eIntegrated Protection Circuitry: Automatic thermal shutdown and DC offset detection prevent component damage and ensure safe continuous operation\u003c\/li\u003e\n\u003cli\u003eCompact PCB Design: Space-efficient layout enables integration into confined enclosures without compromising thermal performance or audio quality\u003c\/li\u003e\n\u003cli\u003eSingle Supply Operation: Requires only 24V DC power supply, simplifying power distribution and reducing system complexity\u003c\/li\u003e\n\u003cli\u003eDual Independent Channels: Stereo configuration with separate left and right amplification paths for balanced audio imaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eActive Speaker Systems: Powers professional studio monitors and portable Bluetooth speakers with high-fidelity stereo amplification and minimal distortion\u003c\/li\u003e\n\u003cli\u003eHome Theater Amplification: Drives front left and right speakers in compact home entertainment systems with exceptional dynamic range and clarity\u003c\/li\u003e\n\u003cli\u003ePortable Audio Solutions: Enables battery-powered amplified speakers and personal audio systems with extended runtime due to Class D efficiency\u003c\/li\u003e\n\u003cli\u003eEmbedded Audio Projects: Integrates into DIY amplifier projects, guitar amplifiers, and custom audio equipment requiring compact, efficient power amplification\u003c\/li\u003e\n\u003cli\u003eProfessional Sound Reinforcement: Suitable for small-to-medium venue amplification, in-ear monitor systems, and portable PA applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eTo set up the TPA3116D2 amplifier board, first ensure you have a stable 24V DC power supply capable of delivering at least 5A continuous current. Connect the positive and negative terminals of the power supply to the designated power input pads on the PCB, observing correct polarity to prevent component damage. Connect your audio source (smartphone, audio interface, or preamp output) to the RCA input connectors or 3.5mm jack, ensuring proper shielding of audio cables to minimize electromagnetic interference. Adjust the input gain control potentiometer to achieve optimal signal levels without clipping, typically setting the input to approximately 80% of maximum to provide headroom for dynamic peaks.\u003c\/p\u003e\n\n\u003cp\u003eConnect the amplified speaker outputs to your 4-8 Ohm speakers, ensuring secure wire connections to prevent intermittent contact. Power on the system and allow 30 seconds for the amplifier to stabilize before playing audio content. Monitor the amplifier temperature during initial operation, ensuring adequate ventilation around the PCB. The board includes thermal protection that automatically reduces output if internal temperature exceeds safe limits. For optimal performance, mount the amplifier on a heat sink or within an enclosure with adequate airflow. Never short the speaker outputs or connect speakers with impedance below 4 Ohms, as this may trigger protection circuits or cause permanent damage.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between Class D and Class AB amplifiers?\u003c\/summary\u003e\n\u003cp\u003eClass D amplifiers use high-frequency switching (PWM) to achieve efficiency levels of 85-95%, generating minimal heat and requiring smaller power supplies. Class AB amplifiers use linear amplification with efficiency around 50-70%, generating significant heat requiring larger heatsinks. The TPA3116D2 Class D design makes it ideal for portable and space-constrained applications where efficiency and thermal management are critical.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this amplifier with 8 Ohm speakers?\u003c\/summary\u003e\n\u003cp\u003eYes, the TPA3116D2 operates with 4 to 8 Ohm speaker loads. At 8 Ohms, the output power will be approximately 50W per channel instead of 80W, but the amplifier will run cooler with reduced current draw. Never use impedance below 4 Ohms, as this exceeds the amplifier's current capability and triggers protection shutdown.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat power supply specifications do I need?\u003c\/summary\u003e\n\u003cp\u003eThe TPA3116D2 requires a 24V DC power supply with minimum 5A continuous output capacity. For 80W x 2 stereo operation at 4 Ohms, a 7-10A capacity power supply is recommended to handle peak current demands and prevent voltage sag. Use a regulated power supply with low ripple voltage (below 100mV) for optimal audio quality and protection circuit stability.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I adjust the input gain?\u003c\/summary\u003e\n\u003cp\u003eMost TPA3116D2 boards include a potentiometer for input gain adjustment. Use a small screwdriver to adjust the trim pot while playing audio at normal volume. Turn clockwise to increase gain, counterclockwise to decrease. Set the gain so that audio peaks reach approximately 80% of maximum without clipping, providing headroom for dynamic content and preventing distortion.\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 TPA3116D2 Audio Dual Channel Stereo Digital Amplifier Board 80W*2 Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eTPA3116D2 Audio Dual Channel Stereo Digital Amplifier Board 80W*2\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e, 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 \u003cstrong\u003eTPA3116D2 Audio Dual Channel Stereo Digital Amplifier Board 80W*2\u003c\/strong\u003e 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":48742565642497,"sku":"TTD-6957","price":994.28,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/71272ccf650141083c9d94fe4b21da85.jpg?v=1778030577","url":"https:\/\/techdepot.in\/products\/tpa3116d2-audio-dual-channel-stereo-digital-amplifier-board-80w-2","provider":"Tech Depot India","version":"1.0","type":"link"}