I see that the 1800 is rated for 130W per channel, I have a RXV2700 rated at 140W per channel, the 2700 has an impeadance slector two switch to 4ohm if you need it..not necessary to run M80 with this amp. I shot off an e-mail asking Axiom if the 2700 could run them find and they said there should not be a problem.

I donot see an inpeadnace selector onthe 1800 but I would think that you should be able to run the M80's with that AVR. Just shoot the tech e-mail a note and they will get back to you.

Later
Phil