Recently I bought a set of the above speakers. I connected them all up and found that the two rear speaker cable were not long enough. I bought a twin RCA extenson cable for them, which arrived today. I have the audio from my speakers going through one channel to my KVM switch, which then goes through one channel to my RCA "Gaming adaptor" to my 360, and then one channel to my PC. When I had the 3.1 set up, using "Matrix Mode", I could get all four speakers working. Now, I have the full 5.1 set up. One of my rear speakers doesn't play the audio, and the other is very quiet. How could I solve this problem? Is there a way to get proper 5.1 on my PC and 360, and not "Matrix Mode, that just supplies the same sound to all 6 speakers? The cable was a cheap one from eBay, could it be that? Also, would I be able to use these on a HDTV in the future?