XH-M802 power Amplifier Board module High and Low Voltage Mixer Tone Board Volume Control Subwoofer PCB Adjustment Amplificador

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