TPA3118 HIFI Digital Subwoofer Power Amplifier Board 60W+30Wx2 Audio 2.0 Output | eBay
PL-DD-160W MA12070P 2x80W Audio Power Amplifier Board F/ Raspberry Pi I2S Input | eBay
Power amplifier modules
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Dual Channel Stereo Sound Amplifier Board 240W High Power Digital Audio Power Amplifier Module - Walmart.com
Pr-800 1000w +/ - ( Dc 20v ~95v ) Class A & B Stage Power Fever Amplifier Board For Home - Buy Stage Power Fever Amplifier Board,Pr-800 1000w +/ - ( Dc