The problem is not with just the 80's, other brands 4ohm speakers have issues as well. Those that have been around a long time know the fun I had diagnosing with Lonnie at Emo. Your mileage may vary. I would not recommend this combination.

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