Durable Power Diy 6J1 Tube Amplifier Headphones Function LM1875T Board. 20W Preamplifier Audio Board 18V from other stores

  • the left channel output / right channel output: an audio signal output termina... 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 beginning... more
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