Audio Amplifier Passive Tone Board Preamp Sound Adjustable Module YX202 Props & Stage Equipment 4X Speaker Wire Connectors to

4X Speaker Wire Connectors to RCA

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Audio Amplifier Passive Tone Board Preamp Sound Adjustable Module YX202 Props & Stage Equipment 4X Speaker Wire Connectors toITEM NAME: Audio Amplifier Passive Tone Board Preamp Sound Adjustable Module YX202 img *{margin: 0; padding: 0;. Model: YX202. Attenuated passive tone board for high end stone machine for tube amplifier or power amplifier board. Only the treble and bass are changed without affecting the original sound quality. 1pc Passive Tone Plate.