Suitable for home theater, 2.1 speakers, stereo high and low sound adjustment, ultra
low frequency and gain independent adjustment, suitable for different styles.You can
listen to music and watch movies. The pre-stage gain is adjusted higher, and the total
volume and bass gain can be adjusted to match different merits.
Rate low power amplifiers and speakers with different impedances. Listen to music,
the stereo bass can be lowered a little, plus a little low.

PCB size: 127*33MM
Potentiometer distance: 24-24-24-24-35MM
Power supply: Dual AC12-15V, can not use single DC power supply
Power socket: XH2.54-3P intermediate ground
Audio input socket: PH2.0-3P
Audio output socket: PH2.0-5P

Packing list:
1pcs preamplier
3pcs cables