Vender XH-M802 Passive Tone Board Amplifier Preamp Power Module Low High Sound Adjustment Electonic Diy Electronic PCB Board melhor preço

Attenuation-Type Passive Tone Board Pre-Amplifier Module Toning Board XH-M802 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