Amazon.com: Timpano 10" Sub D4 1000 Watts Max Power Dual 4 Ohm, 10 Inch Car Subwoofer 14 mm Xmax, TPT-T1000-10 D4, 2.4 in Voice Coil, Deep Low Tones Sub Woofer for Car
Amazon.com: CERWIN VEGA XED12 XED 1000 Watts Max 12-Inch SVC Woofer 4 Ohms, Black
Amazon.com: BOSS Audio Systems CXX104DVC Car Subwoofer - 1000 Watts Maximum Power, 10 Inch, Dual 4 Ohm Voice Coil, Sold Individually : Electronics
Amazon.com: Pair of Clarion WF3030D 1000 Watts Maximum Power Handling 12" Dual 4Ohm Voice Coil Shallow-Mount Car Audio Subwoofer with (Two) Gravity Magnet Phone Holder Bundle : Electronics
Amazon.com: BELVA BPKG210v2 1000W Dual 10” Car Subwoofer with Ported Enclosure, Monoblock Amplifier, Wiring Kit and Remote Bass Knob : Electronics
Massive Audio GTX124R – 12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 1,000 Watt RMS, 2000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually
Massive Audio MMA104 MMA Series. 10 Inch, 1000 Watt, Dual 4 Ohm Car Subwoofer, 2.5 Inch