(1) Two way, gamut system, it is professional stage speaker.
(2) Use high-class althorn, it make the sound more clearer.
(3) Use high quality loudspeaker that is produce by us. With auto protection
  system, it keeps the stability in long-playing.
(4) Use double 15 inch loudspeaker.
(5) This design is base on the demand of the good-sized karaoke room or
  vocal concert.

Specifications:
   Frequency Response 45Hz-20KHz
   Components Bass speaker-15 inch  x2 (Y15-4)
   Tweeter-YM44.8-8T02 (H45-2)  Impedance 4Ω
   Peak Power 1000W
   Sensitivity 100dB
   Dimensions(cm) 47x51x122