XH-M802 Passive Tuning Front Board Pre-amplifier Module with Adjustable HIFI Performance, Ideal for Audio Enthusiasts and Cross-border E-commerce Applications

This tuning version is a passive tuning board, the main function is to adjust the input audio signal high and low bass, and then send it to the power amplifier board for amplification. The principle of the product is to pass the audio signal through the resistance-capacitance element directly through the filter to get the idea If you want high and low sounds, the tone board does not need power supply, but the volume after processing will be much smaller!

Name: Passive tone board

Adjustable items: total volume, treble and bass

Number of channels: two channels

Knob spacing: 22.5mm

Socket type: XH2.54-3P