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Amazon.com: Massive Audio GTX122 – 12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 700 Watt RMS, 1400w MAX Dual 2 Ohm, 2.5 Inch Voice Coil. Sold Individually : Electronics
Amazon.com: Skar Audio SDR-12 D2 12" 1200 Watt Max Power Dual 2 Ohm Car Subwoofer : Electronics
Amazon.com: Alpine S-W12D2 Car Audio Type S Dual 2 Ohm 1200 Watt 12" Subwoofers with Sub Install Kit Package : Electronics
Amazon.com: Cadence 12 Inch Car Subwoofer, High Performance 1600 Watts Dual 2 Ohm 2.5 Inch Black Aluminum 4 Layer Voice Coil, Beast Series Car Audio Woofer BT12D2, Single : Electronics
Amazon.com: Rockville (2) K5 W12K5S2 12" 1400 Watt 2 Ohm Car Audio Subwoofers CEA Rated Subs : Electronics
Amazon.com: Harmony Audio 2X HA-C122 Car Competition 12" Sub 2200W Dual 2 Ohm Subwoofer New : Electronics
Amazon.com: Skar Audio EVL-65 D2 6.5" 400 Watt Max Power Dual 2 Ohm Car Subwoofer : Electronics
Amazon.com: 1x Gravity 12 Inch 2000 Watt Car Audio Subwoofer w/ 2 Ohm DVC Power 12 in. Sub - Feature Dual Voice Coil, Thick Magnet, Design for Car, ATV, Van, High Performance Car Show : Electronics
Amazon.com: KICKER 43TCWRT122-RS CompR 12" Series Sub 500W RMS 2 Ohm Thin Profile Loaded Subwoofer Enclosure : Electronics
Amazon.com: Sound Town 12" Dual Voice Coil 1000W Car Audio Subwoofer, Dual 2 -Ohm, CEA Rated (ARES-12D2) : Everything Else
Amazon.com: Skar Audio EVL-15 D2 15" 2500 Watt Max Power Dual 2 Ohm Car Subwoofer : Electronics
Amazon.com: Rockville W15K6D2 V2 15" 4000w Peak Car Audio Subwoofer Dual 2-Ohm Sub 1000w RMS CEA Rated : Electronics
Amazon.com: CT Sounds MESO-12-D2 3000 Watts Max 12 Inch Car Subwoofer Dual 2 Ohm : Everything Else
Amazon.com: Car Vehicle Subwoofer Audio Speaker - 15 Inch Competition Grade Pressed Paper Cone, 2 Ohm DVC, Advanced Air Flow, 7000W Power for Stereo Sound System - Gravity Warzone GW15D2 (2 Subwoofers) : Electronics