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12V DC stereo preamplifier circuit board with bass and treble controlThis is a tuner board of bass and treble. It has 2 potentiometers of bass and treble. You can easily set or tune the output frequency with them. The input voltage of this board is 12V DC. The sound quality produces by this board is also very pleasant. This board has a short circuit and thermal protection. You can attach it with any amplifier or can be used as a single tuner.
- High-quality sound reproduction
- 2 potentiometer controllers for better adjustment
- You can set the bass and treble manually
- An optimized version of the passive preamplifier