2.Special guitar pickups and distortion effects 3.Function with cassette tape recorders

1.New remote player which is compatible with SD/USB/MP4

2.Special guitar pickups and distortion effects

3.Function with cassette tape recorders

4.Two connected audio input amplifier and audio output(160W) and one video output

5. Advanced digital karaoke reverberation effect

6.have two frequency wireless  microphones,frequency limit:VHF220MHz-270MHz

7. Two ways of microphone input sensitivity10mV. (100Hz-15KHz)

8.Music input sensitivity :50mV,(30Hz-20KHz)

9.Big capacity battery(12V/5AH), which can be used for long times

10.Inside 10 inch speaker and 3 inch big power speaker

11.Voltage input :220V

12.Battey indicator can automatically stop when charged full and release for protection

13.can connect external speakers and DC

Protable multi-funtion wireless amplifier