45+ Top 2.1 Channel Amplifier Board 50Wx2+100W. Damgoo bluetooth amplifier board,50w+50w 2 channel audio amplifier board suitable for retrofit speakers bluetooth speakers,easy installation and password compare with similar items. Compact board, use and installation are very. 1 x 2.1 channel audio amplifier board 1 x cable 4 x screws specification:
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