RW8D4 Echo Series 8 Inch 400 Watts Power Dual 4 Ohm Voice Coil, 2" Black Coated 4 Layer High Temperature Voice Coil, Competition Grade Pressed Paper Cone, Car Audio Subwoofer - Recoil Audio
Amazon.com: Skar Audio EVL-65 D4 6.5" 400 Watt Max Power Dual 4 Ohm Car Subwoofer : Electronics
Pioneer 12" 1400 W Max Power, Single 4-ohm Voice Coil, IMPP™ cone, Rubber Surround Component Subwoofer BLUE TS-A123R - Best Buy
Best Buy: Pioneer 10" Single-Voice-Coil Subwoofer with IMPP Cone TS-W28C
Mtx Tn12-02 12" 400 Watt Sub Woofer Car Audio Power Bass Subwoofer Tn1202 : Target
Alphasonik HSW212 Hyper 200 Series 12” 1200 Watts Max / 400 Watts RMS | Alphasonik
12" 400 Watt Tailgate Subwoofer Enclosure | Ford Bronco (2021+) – Stinger Off-Road – Jeep Audio And Electronics
Mb Quart Ps1-316 Premium 6.5 Inch 400 Watt 4 Ohms 3 Way Component Network Control Mobile Speaker Car Audio Systems, Grills Included, Black (2 Pack) : Target