good luck Sean, hope you figure out a way. I've run into the same problem with my Denon 2805. I'll use the A/B switch on my remote to go back/forth, but the levels don't match.. I've been looking at various speaker switches on Ebay with volume control, but your talking another $50 bucks. \:\)

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85