I doubt you would push the dial on the RSX-1055 past 70 even in modest size rooms. The RSX-1055 at 75w 5 channels driven is as loud as any Onkyo, JVC and some Yamaha receivers at manufactured spec'd @ 100w/channel. On 2 channel stereo the RSX-1055 plays about 95W @ 2 channel stereo driven. With all 5 channels driven it does not drop below 75W. It is loud powerful and crisp with detail. And its also on sale. There is a hidden feature I believe that you can route the 2 front main channels to the back to make it 7.1. You would then need a another 2 channel amp to power the 2 front mains. With this ability you can get a really sweet 2 channel power amp like an Anthem, Bryston...etc or even 2 mono blocks and have the luxury of taking up your stereo level listening to the next level.

Saturn