(1) Two MONO input with high quality microphone amplifier
(2) With subwoofer enlarge keys, five electric indicator light, perfect musical
  adjusting function
(3) With grading output jack, it is easy to show the mark of your singing
(4) With recording output jacks, you can record the music
(5) Balanced output with cannon plug, it can connect to the power amplifier.
  Two channel signal input can be chose
(6) It can connect to the equalizer.
(7) It can connect to the main track and the incidental track, it make a better
  effect of karaoke
(8) This design is base on the demand of KTV room.

Specifications:
   Output Power(1KHz,4ohm)： 100W+100W
   Frequency Response： 20Hz-50KHz
   Signal to Noise Ratio： 75dB
   Separation: 48dB
   T.H.D.： ≤0.21% 1KHz
   Power Requirements： AC220V/50Hz
   Weight： 8Kg
   Dimensions(cm)：(LxHxW)  42x11x33