Preamp Amplifier Board Compatible with A1 12V-18V

1 Using fully enclosed dust-proof potentiometer, the performance is more stable, and it is more durable than ordinary potentiometers. 2 The front stage has a magnification switch, which can be switched between 3.5 times and 7 times. 3 The board has an op amp socket, you can freely replace and upgrade the op amp according to your own hobbies to meet different listening feelings. 4 The wiring layout of the entire circuit board is quite rigorous and reasonable, and the work is stable and reliable. 5 The details are clear, the transient response is excellent and all kinds of music can be played with ease.

What's in the box
1 x Amplifier Parts