1) Input: Standard adapter DC5V/3A?

2) Channel: 2 Channel stereo?

3) Maximum Output Power: 3W Plus 3W?

4) Frequency Response: 100HZ-15KHZ?

5) Audio Input: Line in?

6) Loudspeaker: 40/4ohm 3W?

7) External Port: 3.5mm Line in Plug?

8) Medium temperature: 0~40 degree C?

9) Weight: 360g without Connectors?

10) Max size: 147x177x74mm