Oh, ok. You need something like a transfer switch, but for speakers.

A simple 4 Pole Double throw switch would work in theory.

They make rotary speaker selector dials that you can turn From A to B or A+B etc. Many different variations out there.

Like this:

http://www.thesource.ca/estore/product.aspx?product=4000132&language=en-CA

Niles Audio etc. are good ones used in structured home audio. High power models available.

like this:

http://www.nilesaudio.com/product.php?pr...prdcdID=FG01037

Last edited by Hellcommute; 03/24/14 04:51 PM.