Using my Acer CPU, I successfully plug in the speakers to the green receptacle. Works find. But should I be able to connect a second set of speakers in another room, run in the wire and plug into one of...
the green plug is for sound OUTPUT (to speakers with an amplifier), the blue is for sound pre amp INPUT (like a MP3 player or a any other device like an old 4 track casset WALKMAN player) the pink one is for a MICROPHONE INPUT, the black is for a surround system OUTPUT, and the yellow is for a digital OUTPUT all for a surround 5.1 system, so you have to look closer you will notice some difference in the icons stamp in the back, green has a sound wave symbol with an arrow going outwards the pink one has a sound wave symbol with a MIC symbol, the blue has a sound wave symbol with an arrow going inwards, the black and the yellow has a sound wave symbol with a digital symbol
conclusion... you can use the green OUTPUT to feed to one amplifier, if you want to feed music to multiple amplifiers you need a SOUND MIXER with at least two outputs, you can buy a chap sound mixer for about 20$, go to your local electronic store and EXPLAIN EXACTLY WHAT YOU WANT TO DO and they will sell you exactly what you need...
Hope this helps!
Good luck!
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