USED SKAR AUDIO ZVX-8 D4 8" 900 WATT RMS DUAL 4 OHM SPL CAR SUBWOOFER – ASA College: Florida
Used CT Sounds OZONE-12-D2 800 Watts RMS 12 Inch Car Subwoofer - Dual 2 Ohm | eBay
Used CT Sounds TROPO-8-D2 400 Watts RMS 8 Inch Car Subwoofer - Dual 2 Ohm | eBay
Amazon.com: DEVMO Gemini II Dual 10 inch with Power Amplifier Enclosed Subwoofer System for Car MAX 1200 watts, Ultra-Thin 6.69 inches, Used in Cars, Pickups, Large Cars.Ford F Series : Electronics
USED SKAR AUDIO SDR-8 D2 8" 700 WATT MAX POWER DUAL 2 OHM CAR SUBWOOFER | eBay
Used CT Sounds TROPO-12-D4 650 Watts RMS 12 Inch Car Subwoofer - Dual 4 Ohm | eBay
CT Sounds MESO-6-5-D2 6.5 in 400 Watt Car Subwoofer for sale online | eBay