>I've seen discussions that suggest using DPDT relays and switching >both lines of each channel [2 DPDT relays for one stereo source]. >This is what I do. I don't get any pop but I'm also switching at >speaker level. > >-Shawn You need 4PDT relays; you only need 1 relay per setof speakers. --Paul E Musselman PaulMmn@ix.netcom.nospam.com