I was hoping someone with a ep125 would chime in. I only have tried the 500. Personally for that room I'd just grab a 350 or 500 from the refurb or b stock area. I agree though....always better with a sub.

2xAA
M80/VP150/VP160/QS8
4xM3/M22OW/M2OW/VP150OW/4xM3IC/4xM3OW
EP500/800/HSU VTF3/SVS PB2k/SB2k/SB-12