Dsp digital karaoke processor system Channel choose:2ch-5ch Features: *5.1 Channel Karaoke Effect Processor *24BIT digital(4 scale difference,2.5 scales)exchange adjustment controller . *Digital tone control of treble and bass. *8 types of DSP music pre-setted mode. *External jack of active subwoofer, adjustable frequency of subwoofer. *Actve subwoofer manage decline the volume of subwoofer by microphone or computer Rs232 terminal. *No noise protect function when power on, Low cut of the main channel music(20Hz-200Hz) *5 sockets of microphone. *Professional level 20 BIT DSP reverberation echo.External output of karaoke singing grading. *Karaoke inspiration function. *Gain or decline using digital control, independent control of tone and effect of treble and bass. *Use hidden or digital adjusting ,reliable function lock, and parameter storage.Reliable SMT. *Parameter displayed by LCD. *Multiple AV input auto detecting fuction. *The volumes of Microphone and music adjusted by corresponding 360 degree adjuster. *Dimensions(HWD): 80 * 485 *80mm *Shipping(HWD): *NW/GW(Kg):5.8