my system:
alpine mrp-m500 amplifier
alpine DVC 4 ohm type r 12"
ported box (specs match the subs recommended box specs)
8 gague scosche wire kit.
anyhow on the amp there are 3 knobs ( gain, bass eq, and lp filter)
i want to set the all of the knobs so that i can get the best and loudest sound...