Hey new here for posts so help me out here.
I have a JL XD 400/4 for mids and highs and JL Slash 1000/1 v1 running my Kicker subwoofers (just bottom grade Comp 12s) both running off a stock Advanced Auto Parts battery. The XD 400/4 is on an 8 gauge wire and the JL is on a 4 gauge. The XD has an...