I recently had a messy sond set up in ma 1.2 it consistid of a 1000 watt pheonix gold amp a 600 rms Jl W6 two kenwood 6x9 n two kenwood mid speakers. evry time I put da volume up the revs go low and voltage jus drops to make matters worse the fukin thing wudnt start in da morn!!!!!!!!!!! how do i fix this