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Amazon.com: S220HS 2.1 Channel Bluetooth Power Amplifier Board, TDA7498E Chip 160W×2+220W, 12V-38V Audio Power Amplifier Module, Support Custom ,

Amazon.com: S220HS 2.1 Channel Bluetooth Power Amplifier Board, TDA7498E Chip 160W×2+220W, 12V-38V Audio Power Amplifier Module, Support Custom Bluetooth Name and Set Bluetooth Password : Electronics,

Amazon.com: S220HS 2.1 Channel Bluetooth Power Amplifier Board, TDA7498E Chip 160W×2+220W, 12V-38V Audio Power Amplifier Module, Support Custom ,

Amazon.com: S220HS 2.1 Channel Bluetooth Power Amplifier Board, TDA7498E Chip 160W×2+220W, 12V-38V Audio Power Amplifier Module, Support Custom