8" RI Audio Subwoofer 1000W Peak Power Dual 4 Ohm Energy Series Single – Robidoux Inc
CT Sounds MESO-8-D4 1600 Watt Max Power 8 Inch Car Subwoofer – Dual 4 Ohm – ASA College: Florida
NEW LANZAR MAX PRO MAXP84 8" 800 WATT Power Car Audio Subwoofer Sub Woofer SVC - Walmart.com
Amazon.com: Timpano 10" Sub D4 1500 Watts Max Power Dual 4 Ohm, 10 Inch Car Subwoofer 16 mm Xmax, TPT-T1500-10 D4, 2.6 in Voice Coil, Double Stacked Magnet Sub Woofer for Car
Amazon.com: Skar Audio SDR-10 D2 10" 1200 Watt Max Power Dual 2 Ohm Car Subwoofer : Electronics
Boss Audio Systems 1400 WATTS MAX POWER 10" Dual 4 Ω Voice Coil Sub Woofer in the Mobile Audio department at Lowes.com