XH-M164 NE5532 Stereo Pre-amp Preamplifier Tone Board 4 Channels Audio Amplifier Module 4CH Adjust high, middle, and low tones

PCB board size: 105MMx54MM This tone board contains 10 times the front stage amplification and treble, midrange, bass, volume control; Components are carefully selected, the use of high cost performance of NE5532 op amp, high-quality small potentiometer, black gold steel BP polar coupling capacitor, 1% metal film resistor, Philips CBB capacitor and so on. Equipped with an op amp IC socket, the kit is flexible, easy to upgrade, and suitable for different tastes. The circuit board wiring is reasonable, the noise is low, the component layout is beautiful and generous, and the maximum extent to meet your critical eye.

Power supply voltage: AC dual 15V PCB board size: 105MMx54MM Mounting hole distance: K=M3J=53*93

Power supply: Dual AC 12V±2V Power consumption :5W Appearance size :105*54mm(excluding knob protruding part) Front chip :NE5532 Input interface: Standard lotus socket Output interface :2.54-3P Number of channels: Dual channels Adjustment type :4 channels (treble + alto + bass + total volume)