Ok first here's my setup. I have a 2003 Jeep Wrangler 4 speaker system.
HU: Pioneer DEH-3400UB 50x4
Front dash: Boston Acoustic 5.25 SC55 150w
Roll Bar: JBL GTO638 6.5 180w
Amp: Boss R1400 400w x 4 not bridgeable 400 W MAX Power, 4 Channel 75 W X 4 RMS @ 2 ohm 38 W X 4 RMS @ 4 ohm high and...