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AC 12V 1A 6J1 Value Preamp Tube Amplifier Board PreAmplifier Headphone DIY Kits
the left channel output / right channel output: an audio signal output terminal can be connected to the audio signal input amplifier power amplifier board. the power switch / volume knob: turn the knob counter-clockwise to decrease the volume...
$13.51 $11.87 Free Delivery