{"product_id":"xh-m543-tpa3116d2-class-d-audio-amplifier-board-2x120w","title":"XH-M543 TPA3116D2 Class D Digital Audio Amplifier Board 2×120W","description":"\u003ch2\u003eXH-M543 TPA3116D2 Class D Digital Audio Amplifier Board — 2×120W Dual Channel\u003c\/h2\u003e\n\u003cp\u003eThe XH-M543 is a high-power digital audio amplifier board built around the \u003cstrong\u003eTexas Instruments TPA3116D2\u003c\/strong\u003e Class D IC. Delivering up to \u003cstrong\u003e120W per channel (2×120W total)\u003c\/strong\u003e with over 90% power efficiency, it is engineered for DIY speaker builds, home audio systems, and embedded audio applications requiring clean, high-output sound with minimal heat dissipation.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eXH-M543\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAmplifier Chip\u003c\/td\u003e\n\u003ctd\u003eTPA3116D2 (Texas Instruments)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eAmplifier Class\u003c\/td\u003e\n\u003ctd\u003eClass D\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e2×120W (dual channel stereo)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003eDC 12V–24V (center-positive)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMinimum Supply Current\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;3A recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBluetooth Module\u003c\/td\u003e\n\u003ctd\u003eCSR8635 v4.0\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBluetooth Range\u003c\/td\u003e\n\u003ctd\u003eUp to 10 m (line of sight)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e2 (stereo, treble\/bass adjustment)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePower Efficiency\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;90%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eOvervoltage, undervoltage, overheating, DC detection, short circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eCN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Choose the XH-M543?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTPA3116D2 chip\u003c\/strong\u003e — Texas Instruments' industry-standard Class D IC, trusted in professional and consumer audio equipment worldwide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e90%+ power efficiency\u003c\/strong\u003e — Minimal heat generation vs Class AB; runs cool at sustained high output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Bluetooth 4.0 (CSR8635)\u003c\/strong\u003e — Stream audio wirelessly from smartphones, tablets, or laptops up to 10 m away\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull protection circuit\u003c\/strong\u003e — Overvoltage, undervoltage, overheating, DC offset detection, and short-circuit protection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTreble and bass adjustment\u003c\/strong\u003e — Onboard tone controls for tuning to your speaker and room\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide voltage range\u003c\/strong\u003e — DC 12V–24V accommodates car batteries, laptop adapters, and bench supplies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY bookshelf and floor-standing speaker builds\u003c\/li\u003e\n  \u003cli\u003eHome theater subwoofer and satellite speaker amplification\u003c\/li\u003e\n  \u003cli\u003eBluetooth speaker enclosure projects\u003c\/li\u003e\n  \u003cli\u003eAutomotive audio upgrades (12V\/24V compatible)\u003c\/li\u003e\n  \u003cli\u003eEmbedded audio in kiosk, retail display, and industrial HMI systems\u003c\/li\u003e\n  \u003cli\u003eMakerspace and electronics lab audio output modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible With\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e4Ω–8Ω passive speakers (bookshelf, woofer, full-range drivers)\u003c\/li\u003e\n  \u003cli\u003e12V car battery \/ 19V laptop adapter \/ 24V DC bench power supply\u003c\/li\u003e\n  \u003cli\u003eBluetooth audio sources: iOS, Android, Windows, macOS\u003c\/li\u003e\n  \u003cli\u003e3.5mm AUX input sources (smartphones, DACs, media players)\u003c\/li\u003e\n  \u003cli\u003eRaspberry Pi, Arduino, and other SBC\/MCU audio output (via AUX)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eQ: What is the difference between TPA3116D2 and TPA3118D2?\u003c\/h3\u003e\n\u003cp\u003eThe TPA3116D2 is a stereo (2-channel) Class D amplifier IC; the TPA3118D2 is a mono variant. The XH-M543 uses the stereo TPA3116D2 in a dual-channel layout delivering 2×120W peak output.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Can I use the XH-M543 via AUX only without Bluetooth?\u003c\/h3\u003e\n\u003cp\u003eYes. The board includes a 3.5mm AUX input jack. Connect your audio source via a standard 3.5mm stereo cable. Bluetooth and AUX inputs can be switched independently.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What power supply do I need for full 2×120W output?\u003c\/h3\u003e\n\u003cp\u003eUse a DC 24V supply rated at 10A or higher for maximum output. At 12V, output is reduced but suitable for most bookshelf speaker applications. Ensure center-positive polarity.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Is the XH-M543 suitable for car audio?\u003c\/h3\u003e\n\u003cp\u003eYes. The 12V–24V input range is compatible with standard 12V automotive systems. Use appropriate fusing and ensure the supply delivers \u0026gt;3A sustained current.\u003c\/p\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1× XH-M543 TPA3116D2 Class D Audio Amplifier Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003ePower supply, speakers, and cables not included.\u003c\/em\u003e\u003c\/p\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46985538863339,"sku":"\u003cnone\u003e","price":17.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/xh-m543-digital-audio-amplifier-board.webp?v=1761201172","url":"https:\/\/keszoox.com\/products\/xh-m543-tpa3116d2-class-d-audio-amplifier-board-2x120w","provider":"Keszoox","version":"1.0","type":"link"}