Photo 1 of Daakro ZK-TB21 Bluetooth Amplifier Board,50W+50W+100W 2.1 Channel Subwoofer Amp Board with Treble and Bass Control

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Photo 1 of Daakro ZK-TB21 Bluetooth Amplifier Board,50W+50W+100W 2.1 Channel Subwoofer Amp Board with Treble and Bass ControlPhoto 2 of Daakro ZK-TB21 Bluetooth Amplifier Board,50W+50W+100W 2.1 Channel Subwoofer Amp Board with Treble and Bass Control