Audiobahn's products have poor build quality, poor design, put looks ahead of performance, and audiobahn as a whole uses deceptive and unethical business practices (they have been sued many times for stealing product designs [and then building them to a much lower quality]).
RF makes great gear. They had a bad connotation associated with them because (up until now) their products were gradually declining build/performance over the years compared to what they once were, and then they had the "mainstream" stigma because of their teaming up with Best Buy....but it looks like their newest amp line-up is back up there where they should be.
