passive tone board power amplifier board front stage high and low voltage mixer attenuation type passive tone board XH-M802

product description:

This tuning version for the passive tuning board, the main function of the input audio signal for high and low tone adjustment, and then sent to the amplifier board to enlarge

The principle of the product is the audio signal through the resistance element directly filtered through the filter to get the desired bass, the tone board does not need power supply, but after processing the volume will become much smaller

The main parameters: passive tuning board

Adjustable items: total volume, treble, bass

Number of channels: two channels

Knob spacing: 22.5MM

Socket Type: XH2.54-3P

Size: 56 * 28MM