{"product_id":"tpa3116d2-xh-m548-bluetooth-dual-channel-120w-digital-power-amplifier-board","title":"TPA3116D2 XH-M548 Bluetooth Dual Channel 120W Digital Power Amplifier Board","description":"\u003cmeta name=\"description\" content=\"Buy TPA3116D2 XH-M548 Bluetooth Dual Channel 120W Digital Power 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\n\u003ch1\u003eTPA3116D2 XH-M548 Bluetooth Dual Channel 120W Digital Power Amplifier Board\u003c\/h1\u003e\n\n\u003cp\u003eThe TPA3116D2 XH-M548 is a high-efficiency Class D digital power amplifier board delivering 120W of dual-channel audio output with integrated Bluetooth 5.0 wireless connectivity. Audio engineers, DIY enthusiasts, and professional sound system integrators use this board to build compact, high-power audio systems with minimal heat dissipation and distortion. This product solves the challenge of achieving studio-grade amplification in space-constrained applications while eliminating the need for wired audio connections through seamless Bluetooth streaming.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe TPA3116D2 XH-M548 amplifier board utilizes Texas Instruments' TPA3116D2 Class D amplifier IC, which operates on the principle of high-frequency pulse-width modulation to convert input signals into high-power output with exceptional efficiency rates exceeding 90 percent. The Class D topology eliminates the need for large heat sinks by converting audio signals into digital pulse trains that drive the output MOSFETs, resulting in minimal thermal losses compared to traditional Class AB amplifiers. The integrated Bluetooth 5.0 module enables wireless audio streaming from smartphones, tablets, and computers, while the dual-channel configuration allows independent left and right channel amplification with crossover frequency adjustment capabilities.\u003c\/p\u003e\n\n\u003cp\u003eThis XH-M548 variant features a complete audio processing chain including digital signal processing, volume control via Bluetooth remote, and protection circuits against thermal overload, short circuits, and DC offset. The board accepts both analog line-level inputs and Bluetooth wireless signals, making it versatile for retrofit applications in existing audio systems or new builds. The compact form factor measuring approximately 80mm x 50mm makes it ideal for embedded audio applications, portable speaker systems, and professional audio installations where space optimization is critical.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\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\u003eBluetooth Digital Power Amplifier Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier IC\u003c\/td\u003e\n\u003ctd\u003eTexas Instruments TPA3116D2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e120W Dual Channel at 4 Ohms, 60W at 8 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e20Hz to 20kHz with less than 0.1 percent THD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eBluetooth 5.0, 3.5mm AUX Input, RCA Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24V DC to 48V DC recommended, 12V to 50V operational range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e20k Ohms for analog inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth Range\u003c\/td\u003e\n\u003ctd\u003e10 to 15 meters line of sight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003e80mm x 50mm x 25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal and 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\n\u003cul\u003e\n\u003cli\u003e120W Dual Channel Class D Amplification with less than 0.1 percent total harmonic distortion for clean, professional audio reproduction\u003c\/li\u003e\n\u003cli\u003eIntegrated Bluetooth 5.0 Module enabling wireless audio streaming with stable connection and low latency performance\u003c\/li\u003e\n\u003cli\u003eWide Supply Voltage Range from 12V to 50V DC allowing flexible integration with various power supply configurations and battery systems\u003c\/li\u003e\n\u003cli\u003eMultiple Input Options including 3.5mm stereo AUX jack and RCA connectors for compatibility with diverse audio sources\u003c\/li\u003e\n\u003cli\u003eThermal Protection Circuitry with automatic shutdown at 120 degrees Celsius preventing component damage during extended operation\u003c\/li\u003e\n\u003cli\u003eCompact PCB Design measuring 80mm x 50mm enabling installation in space-constrained enclosures and portable applications\u003c\/li\u003e\n\u003cli\u003eDigital Volume Control via Bluetooth remote with 32 adjustable levels for convenient audio level management\u003c\/li\u003e\n\u003cli\u003eLow Power Consumption in idle mode extending battery life in portable speaker and wireless audio applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003ePortable Bluetooth Speaker Systems where the TPA3116D2 provides high-power amplification in compact form factors, delivering 120W output for room-filling audio from battery-powered enclosures\u003c\/li\u003e\n\u003cli\u003eCar Audio Amplifier Upgrades where engineers integrate this board with existing vehicle audio systems to replace factory amplifiers while maintaining Bluetooth connectivity and improving power output\u003c\/li\u003e\n\u003cli\u003eHome Theater Subwoofer Amplification for powering dedicated subwoofer drivers with precise frequency response control and wireless source switching capabilities\u003c\/li\u003e\n\u003cli\u003eProfessional Audio Installation Projects where integrators use the TPA3116D2 in distributed audio systems, background music installations, and venue sound reinforcement with Bluetooth source flexibility\u003c\/li\u003e\n\u003cli\u003eDIY Audio Projects including custom speaker builds, amplified monitor systems, and experimental audio installations where makers require high-efficiency amplification with wireless connectivity\u003c\/li\u003e\n\u003cli\u003eOutdoor and Event Sound Systems where the board's robust thermal protection and wide voltage range support mobile PA systems and temporary event audio setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003cp\u003eBegin by connecting your power supply to the XH-M548 board, ensuring the voltage falls within the 12V to 50V operational range with adequate current capacity of at least 10 amps for full 120W output. Connect your audio speakers to the output terminals, observing proper polarity and ensuring speaker impedance matches the board specifications for optimal performance. For Bluetooth operation, activate the board's Bluetooth pairing mode by holding the power button for three seconds until the LED indicator flashes blue, then pair your smartphone or audio device by searching for the TPA3116D2 device name in your Bluetooth settings.\u003c\/p\u003e\n\n\u003cp\u003eFor analog audio input, connect your audio source to either the 3.5mm AUX jack or RCA input connectors on the board. The volume control can be adjusted via the Bluetooth remote control app or through the physical potentiometer on the board if available. Ensure adequate ventilation around the amplifier board during operation, particularly when driving speakers below 4 ohms impedance or at sustained high volume levels. The board includes automatic thermal shutdown protection that activates at 120 degrees Celsius, so monitor operating temperature during extended use in warm environments. For optimal audio quality, use shielded audio cables for analog connections and maintain at least 10 centimeters distance from the amplifier to sensitive electronic components to minimize electromagnetic interference.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between Class D and Class AB amplification in the TPA3116D2?\u003c\/summary\u003e\n\u003cp\u003eThe TPA3116D2 uses Class D amplification which operates at efficiency rates exceeding 90 percent by converting audio signals into high-frequency pulse-width modulated digital signals that switch output transistors on and off rapidly. This contrasts with Class AB amplifiers that use linear amplification with output transistors conducting continuously, resulting in efficiency rates of 50 to 70 percent and significant heat generation. The Class D topology in the TPA3116D2 produces minimal heat, requires smaller heat sinks, and delivers higher power output from the same power supply voltage compared to equivalent Class AB designs.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan I use the TPA3116D2 XH-M548 with a 12V power supply?\u003c\/summary\u003e\n\u003cp\u003eYes, the TPA3116D2 XH-M548 operates within the 12V to 50V range, but output power will be reduced at lower voltages. At 12V supply, you will achieve approximately 30W to 40W dual-channel output depending on speaker impedance and load conditions. For maximum 120W output, use a supply voltage of at least 36V to 48V with adequate current capacity. A quality 48V power supply with 10 amp minimum rating is recommended for full-power applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat speaker impedance should I use with this amplifier board?\u003c\/summary\u003e\n\u003cp\u003eThe TPA3116D2 XH-M548 is rated for 4 ohm and 8 ohm speaker loads, delivering 120W at 4 ohms and 60W at 8 ohms. Do not connect speakers below 4 ohms impedance as this will exceed the maximum current rating and trigger thermal protection shutdown. For stereo operation, use two speakers of matching impedance, one per channel. Verify your speaker impedance rating before connection to ensure safe operation and optimal power delivery.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I pair the Bluetooth connection with my smartphone?\u003c\/summary\u003e\n\u003cp\u003eTo pair the TPA3116D2 with your smartphone, first power on the amplifier board and hold the power button for three seconds until the LED indicator flashes blue, indicating Bluetooth pairing mode is active. Open your smartphone's Bluetooth settings and search for available devices. The TPA3116D2 will appear as a device name in your Bluetooth list. Select it to establish the connection. Once paired, the device will automatically reconnect when powered on in the future. You can then stream audio from any app on your smartphone through the amplifier.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum continuous operating temperature for this amplifier?\u003c\/summary\u003e\n\u003cp\u003eThe TPA3116D2 XH-M548 includes thermal protection circuitry that automatically reduces power output or shuts down the amplifier when the board temperature reaches 120 degrees Celsius. This protection prevents component damage from prolonged high-power operation in warm environments. To maintain safe operating temperatures, ensure adequate ventilation around the board, avoid blocking the component side with enclosure materials, and consider adding a small cooling fan if operating in ambient temperatures above 35 degrees Celsius at sustained high power levels.\u003c\/p\u003e\n\u003c\/details\u003e\n\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\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\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\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 TPA3116D\n\u003ch2\u003eBuy TPA3116D2 XH-M548 Bluetooth Dual Channel 120W Digital Power Amplifier Board Online in India\u003c\/h2\u003e\n\u003c\/h2\u003e\u003cp\u003ePurchase the \u003cstrong\u003eTPA3116D2 XH-M548 Bluetooth Dual Channel 120W Digital Power Amplifier Board\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.\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":48742566985985,"sku":"TTD-6984","price":981.56,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/0e3d7669007849d5eb6cf8435b83f3e2.png?v=1778030611","url":"https:\/\/techdepot.in\/products\/tpa3116d2-xh-m548-bluetooth-dual-channel-120w-digital-power-amplifier-board","provider":"Tech Depot India","version":"1.0","type":"link"}