RS232 Computer real-time control digital Karaoke processor

1.Using 24-bit high-performance DSP and AD/DA transform process，
  wide frequency range ,large dynamic range and 48KHz sampling frequency.
2.Profession DSP digtal handling.
3.Automatic digtal feedback inhibition function.
4.There are three ways audio input , one assist output and one main channel assist output.
5.With AUX stereo input and 5.1 channel output.
6.30 kinds of preset effects.
7.20x2 graphic LCD with blue color backlight
8.With VOD system input and wireless infrared control.
9.RS232 computer real-time control, the setting is vesy easy.

Technical parameter：
                                               Default            Setting range

  Music master volume                           32db                0db-80db
  Mic master volume                             32db                0db-80db
  Effect master volume                          32db                0db-80db
  surround master volume                        79db                0db-80db
  center-channel  master volume                 79db                0db-80db
  Bass master volume                            79db                 0db-80db
  Ecno high pass                                 52Hz               20Hz-2980Hz
  Ecno low pass                                  17280Hz            4KHz-20KHz
  Ecno time                                      192ms               0ms-400ms
  Ecno depth                                     49%                  0%-100%
  Reverb High pass                               48Hz                 20Hz-2980Hz
  Reverb low pass                                7.5s                 0.0s-10.0s
  Reverb delay                                   11ms                  0ms-100ms