Bumping an old thread ... so I have qc15s, and on all my gear (axe fix, thr10, helix stomp, the volume is low and when I turn up even the slightest they distort.
So if others are using them it's gotta be my patch levels? Seems strange that all 3 would be low. When I play through my atomic CLR, my levels are fine. Of course the CLR is rated for 500 watts I think