Actually Gulcasa, I wouldn't use that as an example. The only reason for the Cram Fu, is the fact that the Initiate is so short.
A couple people on here have put sound in their Dominix and Aeons, with little problem. I've never seen as Si but I'd immagine it would accommodate sound just as well as the others.
Hey, I'm getting the hang of this.
I see what you did there, lol.