I have a 99 ext. Cab s10 with a 3 cube sealed chambered box, with (2) JL 10w7's and a Kicker KX1200.1 w/ 4 gauge wire, 150 amp circuit breaker, and subs wired in parallel.
He has a 95 mazda 626 w/ 4 12"JL w3's older version w/ a Memphis 1600 watt 16m6100d, 0 gauge wire, in a sealed box 3 cube...