GRS 12SW-4HE 12" Paper Cone Rubber Surround High Excursion Subwoofer 4 Ohm
Amazon.com: H YANKA 12 Inch Subwoofer - 12 Inch Paper Cone Subwoofer Car Audio, Black Steel Basket, Dual Voice Coil 4 Ohm Impedance 12 subwoofer, 1600W MAX Power 12 inch Competition Subwoofer : Electronics
Dayton Audio DCS305-4 12" Classic Subwoofer 4 Ohm
Rockville W12K6D4 V2 12" 2400w Car Audio Subwoofer Dual 4-Ohm Sub CEA Compliant
BOSS AUDIO SYSTEMS 12 in. 4600-Watt Car Power Subwoofers DVC 4 Ohm (2-Pack) 2 x P126DVC - The Home Depot
Alpine BassLine Series 12 Inch 750 Watt 4-Ohm Car Audio Subwoofer | W12S4 - Walmart.com
DS18 IXS12.4D 1600W Max Dual 4-ohm 12" Shallow Subwoofer
Qpower Qbass Dual 12 Inch Heavy Duty Mdf Car Audio Subwoofer Enclosure Boxes With Shared Slot Port Vent And Dual Chamber Design, Charcoal (6 Pack) : Target