ITEM NAME:Passive Sound Record Volume Control for Audio Amplifier 2 Channel YX202 Description: Adjustable project:total volume high volume low volume Channel: 2-Channel 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 Specification: Model: YX202 Material: ABS Plastic Size: 76 x 28mm / 3 x 1.1inch Package Includes: 1pc Passive Tone Plate SKU: ALU0024235773019956.Model: YX202. Attenuated passive tone board for high-end stone machine for tube amplifier or power amplifier board. 1pc Passive Tone Plate. Channel: 2-Channel. Only the treble and bass are changed without affecting the original sound quality.