* DC Adaptor:15V 3A

* Built-in rechargeable battery

* With Bass Treble and Reverb EQ function

* USB & SD card input,MP3 Player /Recordbility

* Direct AUX IN (3.5mm)

* Built-in a Wired MIC input with Vol controls

* Built-in a Guitar input 

* Power consumption:30W+15Wx2

* Frequency response:30Hz-20KHz

* S/N Radio:70dB

* Speaker driver:4” woofer and 1”x2 tweeter

* Unit dimension: 398*150 x 261mm(W*D*H)