DS18 HOOL-X15.1DSPL HOOLIGAN 15" SPL Car Subwoofer 4000 Watts RMS 4" 1 – Droppin HZ Car Audio
DS18 HOOL-X12.1DHE HOOLIGAN 12" High Excursion Car Subwoofer 4000 Watts Rms 4" Dvc 1-Ohm
5 Core 8" Full Range Subwoofer Car Audio Speakers, Max 1100 Watt RMS 90W, 4 Ohm Car Vehicle Audio WF 890G YLW - Newegg.com
Amazon.com: Massive Audio SUMMOXL124-12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
Rockville W12K9D2 12" 4000w Car Audio Subwoofer Dual 2-Ohm Sub CEA Compliant
DS18 HOOL-X12.4DHE HOOLIGAN 12" High Excursion Car Subwoofer 4000 Watt – Droppin HZ Car Audio