Amazon.com: Massive Audio SUMMOXL154-15 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 15" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
Amazon.com: Pair of Gravity G3 12 Inch 4000 Watt Package Car Audio Subwoofer w/ 4 Ohm DVC Power (2 Woofers) : Electronics
Amazon.com: Seismic Audio - 15" Raw Subwoofer/Woofer/Speaker - PA DJ - Replacement : Musical Instruments
Audiopipe TXX-BD3-10 10 Inch High Performance 2800 Watt Max Power TIL Dual 4 Ohm Voice Coil Car Audio Subwoofers (2 Pack)
Amazon.com: Mcm Audio Select 15" Woofer with Poly Cone and Rubber Surround 200W Rms at 8 Ohm - 55-2974 : Electronics
Amazon.com: Peavey 15" Pro Rider CU CP Subwoofer : Electronics
Orion HCCA 151SPL Subwoofer 1 Ω Ohm 15 inch DVC 5000 Watts RMS Black Coil Car Bass Sub Woofer HCCA Loudspeaker Components