The Integra will do nicely unless you are listening loud in a very large room. The M80s don't really demand that much power.

I once figured it out for my smaller room (3.6 x 7 metres) I would use about 60w to hit 110 db peaks and that was with 10db of headroom.

Fred

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Blujays1: Spending Fred's money one bottle at a time, no two... Oh crap!