I'm not a scientist, but I play one on the Axiom forums. Video requires 100 times the bandwidth of audio, and should have matched impedance, where as audio is unmatched. If a device can pass component video signals cleanly, it'll have no trouble with audio.

Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris