I would suggest going with the 60s and then if you still feel something lacking, send them back for the 80s, that is the way I did it, but as was mentioned, I believe your reciever might have an issue with the 4 ohm M80s at higher volumes.


Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70