I agree with the others, you won't double the output, I go from 140W into 8 Ohm with my Denon to 210W into 4 Ohms in 2 channel mode, not that it matters much, you will still get quite a bit more power with the 4 ohm load. The good part is you can most certainly go for the M80s.


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