The feature of KHP-8812 HDD karaoke machine:

         Whole machine size is 430mm(width) * 70mm(high)* 280mm(deep), weight 3 Kg. this size suit with DVD device, amplifier range orderly.

        Aluminium alloy faceplate is very professional style looking.There are DVD-ROM ;SD card slot ; MIC in; ECHO knob;Power button and sensor signal window.Black surface with white font,showing is rock-firm and polished.
       This is the feature of backpate port,there are AV-OUT port,Y/Pb/Pr,S-VIDEO,Audio 5.1 CH,Optical,COIN signal port,MIC SCORE IN, HOST HUB(OTG)/USB2.0 port,VGA port(option),extra-IR,DC 12V power supply port. So many port can satisfy every request adequately in status for karaoke applications. 5.1CH only can be opened in DVD mode,and In the KTV mode only can output L/R double channel audio. COIN signal port,can work in master or slave 2 kind of mode . MIC SCORE IN port need connect to MIC audio output of amplifier,karaoke machine will analyse this MIC audio signal, when user singing end the songs it will showing real SCORE in TV screen. USB2.0 port connect to computer, it will become a USB HDD case,can copy any multimedia files into HDD of machine,adding MTV songs easily. and HOST USB port is usefull more,support OTG,can copy multimedia files form USB-DISK/USB portable HDD into system HDD of machine without computer,is a way for adding songs. In the VOD mode,machine become a multimedia player,can browse or play multimedia files in USB MEMORY DISC or USB portable HDD or local HDD. specially,in a extreme status,hasn't any HDD in machine,and still can build a karaoke system in USB MEMORY DISK for playing KTV,yes so good. another you can find,some exterior equipment need DC power supply, don't worry,at the backpate of machine has a DC 12V output designed. this is very convenient.

        The accessory, in package, include a USB line, a AV line,a manual book of user in english, a CD disc with karaoke system(system files and songlist manager software and 40s DEMO songsin it), a CD disc for how make MTV songs(MTV songs making tools, CD-G songs convert to AVI software and Visual lesson), the machine cann't support CD-G songs format directly,but you can convert CD-G songs to AVI by software. the remote controller is a accessory necessarily,hold 50 keys,full-function,and with fluorescent keys can be seen clear in dark.
          Inside the machine actualized by a power supply; a MIC echo board and a DVD loader but hard disk,structure is close . machine can connect a SATA or IDE HDD,but only 2 select 1 ,cann't use sametime. install HDD need opening case of machine.

Now let's try karaoke function with TV and amplifier:

       Let's connect the audio output of machine to amplifier or to audio input port of TV set directly. Video poert connect to TV sametime. Turn on. display start LOGO picture on TV screen,reading songs database in HDD( needing install karaoke system and songs files in HDD in advance), then showing select song MENU(OSD) or number select song "00000" interface.this two mode can be setuped in advance. Now is ok,we try to input a songs number: 60001,press"PLAY" key in remote controller,the MTV start playing,easily for use by anybody .you can continue selecting song when the songs playing.selected song number list will be showed at upside line of screen. in the exit of a songs,machine will showing a SCORE and playing a music of applause,increase entertainment effect. Another,full method for select songs function,select songs by SINGER,LANGUAGE,NUMBER,PINGYIN,WORD AMOUNT,SONG TYPE tec.
       Let's looking what is interesting function on the remote controller:
There are tone+/- key,serve key,Vocal key, vol+/-,songs repeat key etc..
The <Random play> key meaning is auto play songs continuously when nobody select songs.
The <BackGround> key,can switch select style of Video background of MP3_moving_lyric songs.<Vocal> key can switch the Vocal or music of karaoke songs.
<KTV/VOD/DVD> key is very powerfull,can switch at between karaoke system and USB/HDD multimedia playing system and DVD system. when you wish to enjoy the movies or music or picture in the HDD or USB disk or SD card, press this key, switch into HDD's or USB disk's directory for browse and select files playing. therewith,the machine become a multimedia player. Of course, if you need play DVD/VCD/MP3 disc,you can press this key switch to DVD mode,the machine will become a standard DVD player! It's really presentance price contrast the full function very much in the karaoke player market. should be your optimal selection in this product .