hi, i want 1 sub 12" dual 2ohm to be used with a 5 channel US AMP AX model and 5th channel sais 500W RMS @ 1OHM so i need a woofer for that i want SQL using sealed box on a hatchback car is a 92 mustang GT and i don't want to go over $160 bucks shipped and the only way i can buy is from eBay, i looked at Rockford P3, Alpine R, Image dynamics ID12, any other? or which one is better? i listen most to rap, r&b, reggaeton...