Axiom Home Page Forums General Discussion Technical Questions Onkyo M-282 outputs question

Do the RCA outputs on the back of the Onkyo M-282 power amp output the exact same signal that I feed it via the preamp? Is it attentuated at all?

If not, I want to use that for the subwoofer. I want to use a soundcard as a source in a future setup - I have a few picked out with sufficient voltage output and sound quality, but the fewer the soundcard outputs, the more money in my wallet. I want that Onkyo because it can be had for $150 refurbished, which is a steal for an amp of that weight and quality.

Thanks.