A/B Box pick - the Whirlwind

[RemyC <remyc@optonline.net>]

From:
http://www.zzounds.com/item--WHRSELECTOR
Whirlwind Selector A/B Box $89.95
Thanks to our patented, state-of-the-art optical switching, there's no 
added
noise, pops, or crackles.

[[ Not cheap, but it seems to be the only a/b box out there that's silent.
RC ]]