(1) With halved frequency of 3 channel and 10 inch woofer.
(2) Use high quality  loudspeaker that is produced by ourselves,
  thetreble and the bass use dual alnico.
(3) This design is for the karaoke singing, the mid-frequency is clear and
  the bass is powerful. It is better use in the room of 30-40 square meter.
(4) With specific protect system, standard sling mode.

Specifications: 
   Frequency Response 50Hz-18KHz
   Components Bass speaker-10"x1  Tweeter-3"x2
   Impedance 8Ω
   Peak Power 300W
   Sensitivity 100dB
   Dimensions(cm) 50.3x29.5x30