Historically, Emo has been hit or miss when driving the m80's. I think the recent models of amps from them have been more reliable. What receiver are you using and are you sure you need an amp?

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