4 diamond audio d9 12's pushed by a RFt30001db. that is your problem that is a lot of power on a stock alternator a whole lot. i run 2x d6 12's on a t1000.1bd and it dimms my lights occasionly whne rela loud on certain beats. i have a 120amp alternator.
but yeah 4 DA d9's and a t3000. **** i...