Instruction 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 Feature Product Name Passive tone boardAdjustable items total volume treble bassNumber of channels 2 channelKnob spacing 22 5mmSocket type XH2 54 3PAppearance size 56 28mmWeight 24 5gPackage includes 1 x Passive tone board
Price history
Jul 24, 2022
€3.84