Preston, I've got 3 sets of JL seperates and an alpine marine sub ( 10 inch) in my boat. I'm using the surepower seperator and bought two new trojan t-105's to power everything. I have an audison 5 chanel amp 75x4 plus 180 x1. after 4-5 weeks the batteries are doing great. The sub....sucks. Even with only 180 watts ( sub is 300 RMS) it rattles the crap out of the aluminum siding. You should be able to check online for your specific amps max current draw.
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