So I currently am Running a 5.2 setup (Onkyo TX-SR494 to DCM TP160 Bookshelfs) (front right, front left, center, two surrounds) and was curious if I ever wanted to do two back surrounds whether I had enough power, so I put it into the calculator. It seems I do, what other variables should I consider? I want to get a new amp within the next couple of years for a couple of reasons, what would be good step up in terms of specs?
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