Thanks for the response, guys! NHT says this system won't power the surround speakers, although the tech that emailed me didn't have a great command of the language. I am set for amps. I have an Audio Refinement Multi 5 that was powering everthing until I got the Parasound three channel amp. Now it's just powering the surrounds. I could start some biamping with the extra channels, but the amp would fetch a fair amount of cash and if the sub could power the surrounds, which, frankly don't see a ton of use, that amp money could be used for music or other upgrades.
Here is the email response..."Dear Sir,SA-2 is a mono amplifier designed to drive our SW-2 subwoofer. In any of those cases in user’s manual, you can’t drive your satellite speakers with SA-2, only the subwoofer. The high input/output connector on the back of the SA-2 is to filter the low frequencies for the sub, and it is just a bypass for the satellites. With Regards,Janne Teikari"
So, I will wait for the sub and see what happens. I've always wanted to see what NHT gear was like, so this is my chance. GOD, I LOVE THIS HOBBY! Thanks again. David