{"product_id":"tpa3116d2-dual-channel-digital-audio-amplifier-board-120w-stereo-module","title":"TPA3116D2 Dual Channel Amplifier Board 120W×2 | DC12-26V","description":"\u003ch2\u003eTPA3116D2 Dual Channel High Power Digital Audio Amplifier Board – 120W×2 (Model M543)\u003c\/h2\u003e\n\u003cp\u003eUpgrade your audio setup with the \u003cstrong\u003eLOTHYE TPA3116D2 Digital Amplifier Board (M543)\u003c\/strong\u003e — a compact, high-efficiency stereo amplifier module built around the genuine \u003cstrong\u003eTPA3116D2 chip\u003c\/strong\u003e. Whether you're building a custom speaker system, a car audio rig, or a DIY hi-fi project, this board delivers crystal-clear, high-definition sound with impressive output power in a small footprint.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Amplifier Board?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine TPA3116D2 Chip:\u003c\/strong\u003e Original IC ensures stable, efficient, and clean amplification every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFront-Facing Preamp IC:\u003c\/strong\u003e Onboard preamplifier IC boosts input sensitivity for enhanced high-definition sound quality.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMassive Dual-Channel Output:\u003c\/strong\u003e Up to \u003cstrong\u003e2 × 120W MAX\u003c\/strong\u003e at DC24V — perfect for demanding audio builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Operates on DC 12V–26V, giving you flexibility across different power supplies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Signal-to-Noise Ratio:\u003c\/strong\u003e 100dB SNR means exceptionally clean, noise-free audio reproduction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Design:\u003c\/strong\u003e Measures just 92 × 68 × 16mm — easy to integrate into any enclosure or DIY project.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM543\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTPA3116D2 (Original)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V – 26V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × 50W @ DC12V  |  2 × 120W MAX @ DC24V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal-to-Noise Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual Channel Stereo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e92 × 68 × 16mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × TPA3116D2 Digital Audio Amplifier Board\u003c\/li\u003e\n  \u003cli\u003e1 × Audio Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eGreat Pairing Ideas\u003c\/h3\u003e\n\u003cp\u003eBuilding a complete audio or electronics workspace? Check out these related products from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e — a handy tool for diagnosing electronic circuit boards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e — essential for any serious DIY workbench.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What speakers are compatible with the TPA3116D2 amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The TPA3116D2 amplifier board is compatible with most passive stereo speakers rated for the appropriate impedance (typically 4–8 ohms). At DC24V it can drive up to 2 × 120W, so make sure your speakers are rated to handle the output power you intend to use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this amplifier board be powered by a car battery or 12V DC supply?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The board operates on DC 12V to 26V, making it suitable for car audio builds using a 12V battery (delivering 2 × 50W) as well as home setups using a 24V DC power supply (delivering up to 2 × 120W MAX).\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the TPA3116D2 board include any heat management?\u003c\/h4\u003e\n\u003cp\u003eA: The TPA3116D2 chip features built-in thermal protection circuitry. For sustained high-power use, it is recommended to mount the board with adequate ventilation or attach an optional heatsink to the chip for optimal long-term performance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does the onboard front-facing IC do?\u003c\/h4\u003e\n\u003cp\u003eA: The onboard preamplifier IC improves the board's input sensitivity, allowing it to work effectively with a wide range of audio sources — from smartphones and laptops to dedicated DACs — while maintaining high-definition sound quality across the frequency range.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What speakers are compatible with the TPA3116D2 amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The TPA3116D2 amplifier board is compatible with most passive stereo speakers rated for the appropriate impedance (typically 4–8 ohms). 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