The 2805 works fabulous with the M60's, although they are not 4ohm speakers. I can't speak to the M80's. I know that Denon's are one of the recommended brands for the M80 load, but I'm not sure what models have been proven to work.


Randy



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