Amazon.com: Skar Audio SDR-18 D2 18" 1200 Watt Max Power Dual 2 Ohm Car Subwoofer : Electronics
Amazon.com: 1x Gravity 10 Inch 1500 Watt Car Audio Subwoofer w/ 2 Ohm DVC Power 10 in. Sub - Feature Dual Voice Coil, Thick Magnet, Design for Car, ATV, Van, High Performance Car Show : Electronics
Amazon.com: Skar Audio IX-8 D2 8" 300 Watt Max Power Dual 2 Ohm Car Subwoofer : Electronics
Amazon.com: Seismic Audio - SA-LAF082-8 Inch Dual 2 Ohm Car Audio Subwoofer 1000 Watt Max Power : Everything Else
Amazon.com: 10 Inch Car Subwoofer Speaker - 500 Watt High Powered Car Audio Sound Component Speaker System w/ 2 Inch High-Temperature Kapton Voice Coil, 85.6 dB, 8 Ohm, 60 oz Magnet - Pyramid PW1048USX : Electronics
Amazon.com: Orion Subwoofer Competition RMS Power Dual Voice Coil 4" high Temp Voice Coil - Single Speaker Car Stereo Bass Woofer (HCCA152, 15 Inch - Dual 2 Ohm) : Electronics
Amazon.com: Alpine ALP19-R-W12D2x2wKit Car Audio Type R Dual 2 Ohm 1500 Watt 12" Subwoofers with Sub Install Kit and HA-SWKD Dual Sub Box Install Kit - 16 Screws and Speaker Wire with
Amazon.com: Genius Audio GMP-100.4D Compact Mini Plus Car Audio Amplifier 1500 Watts Max Class D 4 Channel Amp 2 Ohm Stable with Power Protection System and Bass Boost for Speaker and Woofer
Amazon.com: Skar Audio EVL-65 D2 6.5" 400 Watt Max Power Dual 2 Ohm Car Subwoofer : Electronics
Amazon.com: Car Vehicle Subwoofer Audio Speaker - 15 Inch Competition Grade Pressed Paper Cone, 2 Ohm DVC, Advanced Air Flow, 9600W Power for Stereo Sound System - Gravity Warzone G715D2 (2 Subwoofers) : Electronics
Amazon.com: AudioPipe TXX-BDC4-15D2 15 Inch 2,800 Watt High Performance Powerful Dual 2 Ohm DVC Vehicle Car Audio Subwoofer Speaker System, Black (2 Pack) : Electronics
Amazon.com: AudioPipe TXX-BDC4-12D2 12 Inch 2,200 Watt High Performance Powerful Dual 2 Ohm DVC Vehicle Car Audio Subwoofer Speaker System, Black (2 Pack) : Electronics
Amazon.com: AudioPipe TXX-BDC4-15D 15 Inch 2,800 Watt High Performance Powerful Dual 2 Ohm DVC Vehicle Car Audio Subwoofer Speaker System, Black : Electronics
Amazon.com: NVX VCW102 10-inch True 750 watt RMS Dual 2-Ohm Car Subwoofer [ VC Series ] 3-Dimensional Die Cast Aluminum Basket : Electronics
Amazon.com: Skar Audio DDX-10 D2 10" 1500 Watt Max Power Dual 2 Ohm Car Subwoofer : Electronics
Amazon.com: DS18 Elite-Z ZR6.2D 6.5" Car Subwoofer 600 Watts Max Power Dual Voice Coil 2-Ohm Easy Mounting - High Performance Bass for Your Vehicle Sound System (1 Speaker) : Everything Else
Amazon.com: BOSS Audio Systems P126DVC Phantom 12-Inch 2300 Watts 4 Ohm Dual Copper Voice Coal Car Audio Stereo Subwoofer Speaker with Poly Injection Cone : Electronics