1.The onboard TDA7297 audio power amplifier chip, double channel 15W+15W.

2. Main pin has led chips, convenient external device control, onboard 2 road, 5.08 (mm) distance between 2 p terminal, around a track connection output respectively.

3. Onboard dial potentiometer, can adjust the volume of output size.

4. Support for DC, terminals, pin 3 power supply input mode, the default for the DC, working voltage: six to 18 v.

5. The board size: 45 (mm) x33 (mm).