No one is denying the benefits of a high power amp over a 100W/ch avr for high volumes, the question is will a low end separate system that costs the same as the all in one solution of a known producer like the 3808 sound any better/louder? The answer, I believe, is no.

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