2 x 100W + 200W 2.1 Channels Bluetooth Audio Amplifier Board - TSA7500
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Amplifier Board | Subwoofer Amplifier | Power Amplifier | Bluetooth Amplifier - AIYIMA TPA3116
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XH-A305 Bluetooth digital power amplifier board TPA3116 Bluetooth 5.0 – Sunhokey Electronics Co., Ltd
DX-2.1 Channel High Power Amplifier Board AC18~24V 100W+100W+120W
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300W 3-Channel Subwoofer Power Amplifier Board 2.1 High Power Amplifier Board 6259264363312 | eBay