FYI, University Sound has been out of business for several years. I believe they got bought by E-V and the brand was subsequently discontinued.
Personally, I like Valcom. Their tech support is GREAT. I had a V-2001A given to me, without a fuse or holder, I called, and they sent me one!

-Jeff


Jeff Moss

Moss Communications
Computer Repair-Networking-Cabling
MBSWWYPBX, JGAE