All I know is you can drive these amps to dim the lights in the house & they are on their own circut w/200amp service. The M 80s are crystal clear as are QS 8s. Song over, dead silence.
I really like em.

Axiom Epic 80 500 QS8s
Carver TFM-55 TFM-45 TFM-35
Rotel RSP 1068
Audiobytes/W amp & sub
M22s Ep125