I need advice on a professional device that will allow me to simultaneously use 3 amps on stage with the capability to switch between them. I’m using 2 Fender amps and a plexi Marshall. A simple A/B box won't cut it as ground loops are an issue. Is there a device on the market that offers switching and isolation as if the guitar was plugged directly into each amp?

How do some of you guys accomplish this?

Thanks in advance.
Last edited by Traveler 45C at Feb 3, 2008,

this little box only AB's between two amps, but it has a switch for eliminating ground loop hum. if not that look into stuff from voodoo labs.

EDIT: even better
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