You don't need loads of power if the subwoofer has its own power. Otherwise you have to do things like buy a crown amp that weighs 100 pounds and constantly sucks 600 watts from nvenergy. I have...

I have a pair of the RPM 41s and the 12 inch subwoofer. It's not OMG awesome but they sound really good. Better sound than the average Joe has heard. Having their own power is nice. But the...