(1) Two  frequency division, gamut system, it is professional stage sound box.
(2) The frame made of high density mid-fiberboard is burly and Enduring.
(3) Use high-class althorn , it makes the sound more clearer.
(4) Adopt high quality loudspeaker produced by us.  Auto protection system
  keeps the stability in long-playing.
(5) It is so small that it can be moved easily .
(6)Its design is based on the demand of the good-sized karaoke room or
  vocal concert.

Specifications: 
   Frequency Response 50Hz-20KHz
   Components Bass speaker-12 inch (Y12-2)  Tweeter-YM44.8-8L
   Impedance 4Ω
   Peak Power 500W
   Sensitivity 96dB
   Dimensions(cm) 29.7x33x48.9