TDA7294 Mono Digital Amplifier Board 85W Subwoofer Audio Amplification AC12-34V

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Title\uFF1A\nTDA7294 Mono Digital Amplifier Board 85W Subwoofer Audio Amplification AC12-34V\n\nSpecification:\n1. This is a finished Mono amplifier board \n2. Power supply voltage: Double 12-34V ring voltage (TDA7294, 8 ohms).\n3. Output power: TDA7294 85W undistorted rated power. \n4. Can easily drive speakers over 100W, speaker impedance: 4-8 ohms.\n5. PCB size: 50*50*28.5mm\n\nNote:\n1. A 3-wire AC transformer must be used, and DC power supply is not allowed!!\n2. The chip generates a lot of heat, and a sufficiently large heat sink must be installed before powering on.\n3. The chip must be insulated from the heat sink, otherwise it will burn out the chip.\n4. Use a transformer as the power supply and connect it directly without the need for rectification and filtering.\n5. This product is monophonic, and two sets need to be purchased for dual channel.\n\nPackage:\n1xTDA7294 Mono Digital Amplifier Board\n\n \n\nOn Apr 13, 2023 at 18:32:14 PDT, seller added the following :