Other than the bass response issue which was noted later that the inclusion of port plugs would have made a difference on, the only negative thing that was mentioned was some sibilance at high volume. This is something that seems to be consistent from some people's hearing opinions though regarding Axiom as a whole it seems.

M60|VP150|2xQS8|PSA XS30+Epik Empire|Pioneer Kuro 6010FD|PS3|Denon AVR-X4000|Parasound 5250v.2|