One thing to keep in mind is that unless ALL your speakers are set to LARGE, they're not getting anywhere close to full output of the amp, even at extreme volumes since a lot of the low frequency signal is being filtered and fed to the sub.

Has Outlaw ever commented on this? I also find it strange that the amp's total output at 4ohms exceeds its rated maximum power consumption. So even assuming a 100% efficient amp, there just isn't enough power to go around.

Cheers,