Amazon.com: DS18 SLC12S Car Subwoofer Audio Speaker - 12" in. Paper Glass Fiber Cone, Black Steel Basket, Single Voice Coil 4 Ohm Impedance, 500W MAX Power and Foam Surround for Vehicle Stereo
Amazon.com: BOSS Audio Systems AR120DVC 12 Inch Car Subwoofer - 1600 Watts Maximum Power, Dual 4 Ohm Voice Coil, Sold Individually : Everything Else
Toro Audio FORCE 12S Car Subwoofer | 12 Inch Subwoofer | 2000 Watts RMS – TORO AUDIO
MESO-12 - 3000 Watt 12 Inch Car Subwoofer - CT Sounds – CT SOUNDS
S-1204D 12" Subwoofer
TL3001A-4 Professional Speaker 12 Inch 325 Watt RMS Woofer 4 Ohm With and SPL of 91 dB | Mavin the Webstore
Amazon.com: Pyramid 12 Inch Car Subwoofer Speaker - 500 Watt High Powered Car Audio Sound Component Speaker System w/ 1.5 Inch Kapton Bobbin Voice Coil, 8 Ohm, 25 oz Magnet, Cloth Edge
AudioPipe TXX-BDC4-12 12 Inch 2,200 Watt Dual Car Speaker Subwoofer, Black - Walmart.com
Pa-120 12/15/18 Inch Mid-bass Subwoofer Speaker 156-220 Magnetic 75 Mm Copper Clad Aluminum 250-1400w (1pcs) - Speakers - AliExpress
Amazon.com: Pyle Car Vehicle Subwoofer Audio Speaker - 12 Inch 1200 Watt Power Ultra Slim DVC Subwoofer w/ Dual 2.5” Kapton Voice Coil, 4 Ohm Impedance, 75 Oz Magnet - for Vehicle Stereo Sound System PLWCH12D : Electronics
BeFree Sound Rechargeable Bluetooth 12inch Double Subwoofer Portable Party Speaker, Color: Black - JCPenney
Stage Right by Monoprice SRD212 1200W 12-inch Powered Speaker with Class D Amp, DSP, and Bluetooth Streaming - Monoprice.com
Eminence Lab 12C High Power 12" Subwoofer Speaker Driver 4 Ohm
Amazon.com: Generic American Bass 12 Car Subwoofer, 6000 Watt Maximum Power, Bass Surround Speaker, Car Audio Stereo Subwoofer - 12 inch, Dual 1 Ohm Voice Coils : Electronics