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Amazon.com: Diy Audio Amplifier Kit, Digital HIFI Power Module Amp Board 2-Channel Stereo PCB for Speaker Sound System for Electronics Industry : Electronics
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Amazon.com: 160W+160W Amplifier Board with Treble and Bass Control, DC 12-36V, BT and AUX Inputs, 2.0 Channel Stereo AMP Board for DIY Wireless Speakers, Password Free (T160HS) : Electronics