I currently have a Audiopipe TXX-AP iPipe 12, 900w RMS, dual 4ohm in a 4cu. ft. box, tuned to 24HZ. The sub is on a Hifonics BRZ-1700.1D mono block, all 1/0ga. wiring, Big 3, powered by a Kinetik HC600B, 850 amp power cell in back and a 1200CCA deep cycle up front. My head unit is a Clarion...