I am building a wall in my truck with 4 kicker L15R woofers. I will be pushing them with a fosgate 2500.1BDCP. I also have a 320 amp alternator with 3 yellow top optima batteries that I am currently running with my 2 15s @ 2ohms. Looking for any advice or guidance on what anyone might have since now I will be dropping down to 1ohm when I add 2 more 15s.