1. Material: Plastic
2.2.5" full range driver per channel for best sound performance
3.Power indicator and built-in headphone jack on front panel
4.Front panel controls for tone,volume and power ON/OFF knobs
5.External power adaptor
6.Frequence Response:85HZ~20KHZ
7.Output power(RMS):2.5W*2
8.Product Size:W80*D80.5*H174mm
9. Loading Qty:  6272 sell unit/20FT, 12991 sell unit/40FT, 15231 sell unit/40FT HQ