... .1 channel can be used when playing DVD, when playing KTV karaoke,the L/R stereo audio can be used. Coin ... ] button,can switch the karaoke song between vocal and music. [KTV/VOD/DVD] switch button,can switch betweenKTV system,VOD multi ... user ,please download from our company web site. Hard drive KTV player ,Support VOB/DAT/AVI/MPG/CDG/MP3+G songs ...