1.Dynamic 3D 2.HDMI output 3.support dual 2000GB hard disc ... sells well in domestic, HK, Macao, Taiwan, Europe, America, Australia, Africa and Southeast Asia. Audio interface: 1 pair (R/L) Video ... Serial: STANDARD RS232 Distortion : <0.01% 2TB HDD Karaoke Machine(Dynamic 3D,HDMI output)