Want a simple power-off mute option

You won't have to use relays unless you want to. I eliminate the bulk and somewhat large current draw of relays by using NPN and PNP BJT transistors on the mute pins to hold the MUTE pins at 0V, thereby muting it.

I've seen the dual-gang pots with a switch on eBay, in a seller's eBay store when searching for knobs. (Asian seller).

Hope this helps some. :)

Marty :snoopy: