1.  Power: AC90V ~ 240V and DC12V.

2.  Input: MIC * 2, AUX * 1.

3.  Output Power: 40W.

4.  Frequency response: 20Hz ~ 20KHz.

5.  Output Impedance: 2Ω ~ 8Ω.

6.  High&Low tune controlling function.

7.  2CH Mic input,1CH AUX input ,and independent volume control, and main volume control.

8.  Stereo sound input*1.

9.  Supporting USB & SD-card interfaces.

10.Including 1 remote controller, controlling volume and music tune.