The Kicker 43C124 is a 12 inch passive car subwoofer designed for compact sealed or ported enclosures. It features an injection-molded polypropylene cone and a ribbed foam surround for controlled excursion and durability.

This subwoofer is a 4 ohm driver rated 50-150 watts RMS and 300 watts peak and delivers a frequency response of 27-500 Hz with 88.3 dB sensitivity. It requires an external amplifier and fits enclosures with a top-mount depth of 5-7/8 inches; recommended sealed and ported box volumes are supplied by the manufacturer.