A:AnswerI think this could be done with bluetooth, but I'm not too sure as to how good it would be. mine is wired, great sound and I'm very happy with it. I'd be worried with bluetooth maybe you would have to constantly be trying to get it to match up.
A:AnswerIf you're running two fronts, one center, two rears and a sub, you should be fine. You'll be running a 5.1 setup. I run a 5.2.2 setup with two fronts, one center, two high-rears, one sub and two high fronts.