A solution to end all problems would unfortunately, as the previous posted mentioned, be a five channel amp. A GOOD quality one of these, making enough power to power all speakers at rated RMS would run you a quite a bit of money. I'm thinking somewhere between 500-1000. I don't have any brand names, or model numbers handy as I've never used a five channel, but that'd be the best. Either that or seperate amps, which in ittself becomes a pain.