If you are looking for a Traxis receiver that also passes AC-3 Dolby, then you would
want the Traxis DBS4500. I have tried both the Traxis DBS3500 and DBS4550 and they do
not pass AC-3 audio (dolby). The downside, the 4500 does not do blind scan.
I do however like both the DBS3500 and 4550. I...