To be fair, the Axiom design is pretty unique.

Although, now that I think about it, my studio monitors (which are about 10 years old) have the same jack, but didn't come with an adapter, I run an RCA to phone cable on those.


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