(1) With tone transposition and remote controller.
(2) Tone transposition system promotes the audio effect in singing on the stage.
(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) 5 channel microphone input with unattached modulation, there are two channel can
  connect to the electronic organ or singing.
(6) Balanced output with cannon plug, it can connect to the power amplifier. Two channel
  signal input can be chose.
(7) It can connect to the equalizer.
(8) With prefect protect function for speaker. It can avoid speaker's over load and short.
(9) Good-sized temperature control fans and barrel radiator ensure that this produce can
  work in a long time.
(10) It can connect to the main track and the incidental track, it make a better effect of karaoke

 
Specifications:
   Output Power： 300W+300W
   Frequency Response： 20Hz-20KHz
   Signal to Noise Ratio： 77dB
   Separation: 55dB
   T.H.D.： ≤0.16% 1KHz
   Power Requirements： AC220V/50Hz
   Weight： 14Kg
   Dimensions：
   (LxHxW) (cm)  43x16.5x37