Power function,KARAOKE/VOD/DVD system 3 in1, :can support playing max 34000s MTV songs. Support MPEG1/2/4,JPEG, mp3_lyric MTV etc format. Support IDE or SATA hard disk,max capacity 2000G by FAT32 format. Songs insert,repeat,selected songs listing function. Selecting songs operate easily by number,by menu,by singer,by language etc. Offer a powerful songlist manage software, adding songs can by yourself,make new songlist. 3 kinds of method for adding songs: add new songs into HDD of machine from PC by USB2.0,adding songs from a USB flash disc/USB portable HDD, add songs from DVD ROM too. Can show SCORE at exit of a MTV song end ,with 4 level applause music, that is good sportful effect. Master COIN or slave COIN function,can satisfy the require of business proprietor. Built-in MIC echo,can plug microphone in machine for singing directly . : Can use the remote controller ,directly browse playing the movies;music,picture files in the HDD;SD card; USB disc;USB partable HDD. 4 decode, compatible with various discs such as DVD/SVCD/DVCD/VCD/MP3/CD/ HDCD/JPG/ALBUM/Mr.OKO etc Video output: (1) CVBS interlace scan. (2) Component R,G,B interlace scan or progressive scan. (3) S-Video. interlace scan. Audio output: Dolby AC-3 5.1 Audio Channel DVD CSS (Content Scrambling System) decoding Reserved Analogue power amplifier, X1/4, X1/2, X2, X4 flexible zoom.