Class D or, A/B amps?
What is your voltage(with the car running and the system off)at the battery?
Now check it with the system on.
Post the variance.
133whp-126ftlbsTQ Eclipse CD8443,JBL Px300.4, JBL GTO7001, PPI 356cs, JBL p1024(Hooray!) SubThump enclosure, RAAmat BXT, Damplifier Pro
Hatch Nation #140
Caeci caecos ducentes