This tuning version of passive tuning board, the main function of the input audio signal for high and low frequency adjustment, and then sent to the amplifier board to enlarge
The principle of the product is that the audio signal is directly filtered through the RC filter to get the desired high and low sound through the RC capacitor. The tone board does not need power supply, but the volume after processing will be much smaller.
Parameters
Product Name: Passive tone board
Adjustable items: total volume treble bass
Number of channels: 2-channel
Knob spacing: 22.5mm
Socket type: XH2.54 ~ 3P
Appearance size: 56.28mm