(1) Using four big power audio tubes with Toshiba.
(2) 3 balanced and unbalanced microphone input with unattached modulation.
(3) Professional digital effects processor.
(4) With a bran-new audio ampliative function with 3S effect.
(5) With grading output jack, it is easy to show the mark of your singing.
(6) With recording output jacks, you can record the music.
(7) Balanced output with cannon plug, it can connect to the power amplifier. Two
  channel signal input can be chose.
(8) It can connect to the equalizer.
(9) With prefect protect function for speaker. It can avoid speaker’s over load and short.
(10) It can connect to the main track and the incidental track, it make a better effect of karaoke.

Specifications:
   Output Power： 200W+200W
   Frequency Response： 30Hz-20KHz
   Signal to Noise Ratio： 75dB
   Separation: 48dB
   T.H.D.： ≤0.22% 1KHz
   Power Requirements： AC220V/50Hz
   Weight： 12Kg
   Dimensions：(LxHxW) (cm)  42x12.8x33