there is a "snd" command, but I can't get it to work consistently in 1.01.
Basically it went like this:
snd "jaden_fmle" or
But now it seems like it changes to whatever you want it to be, so it could be I'm wrong on the syntax. By default you get the sound of whatever model you switch to, but the "player" model (jaden) retains whatever sound it had before.