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Amazon.com: Harmony Audio HA-F104 Car Stereo Flatline Series 10" Sub 700W Single 4 Ohm Subwoofer : Electronics
Amazon.com: 2) Rockville SBG1124 12" 600 Watt Passive 4-Ohm Pro DJ Subwoofers,MDF/Pole Mount : Musical Instruments
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Amazon.com: KICKER 12-Inch 600 Watt 4 Ohm CompC Vented Loaded Subwoofer Enclosure, 44VCWC124 : Electronics
Amazon.com: AudioPipe TXX-BDC4-12 12 Inch 2,200 Watt High Performance Powerful 4 Ohm DVC Vehicle Car Audio Subwoofer Speaker System, Black (2 Pack) : Electronics
Amazon.com: Rockville K5 W15K5S4 15" 2000w 4 Ohm Car Audio Subwoofer Sub 500w RMS CEA Rated! Bundle with Rockville RGS15 Single 15" Sealed Car Sub Enclosure Box & Enclosure Installation Kit (3
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Amazon.com: Rockville VS8K54 8" K5 800w Car Subwoofer in Vented Sub Enclosure Box-4 Ohm : Everything Else
Amazon.com: Kicker Single 10-Inch Comp 4 Ohm 150W Loaded Subwoofer Enclosure Box | 43TC104 : Electronics
Amazon.com: Rockford Fosgate P3D4-12 12 inch 1200 Watt 4-Ohm DVC Car Audio Subwoofer and Q Power 12 inch Single Heavy Duty Vented Subwoofer Enclosure Box : Electronics
Amazon.com: KICKER 43C124 12-Inch 600W 4-Ohm COMP Car Audio Subwoofers (2 Pack) and Q-Power QBOMB12V Dual Vented Subwoofer Box Enclosure with Black Bedliner Spray : Electronics
Amazon.com: KICKER 2 43C124 12" 600W Car Audio Subwoofers Subs 4 Ohm + Dual Sealed Sub Box : Electronics
Amazon.com: KICKER 44CWCS104 CompC 10" 500W Single 4-Ohm Car Subwoofer Bundle with Rockville RSV10 Single Vented Subwoofer Enclosure Box and Single Sub Box Enclosure Installation Kit : Electronics
Amazon.com: Cerwin Vega 10" Subwoofer 800W Max 4 Ohm DVC : Electronics
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Amazon.com: KICKER 43VC124 Comp 12" Subwoofer in Vented Sub Box Enclosure, 4 -Ohm Bundle with Rockville RWK81 8 Gauge Amp Installation Kit and RXA-T1 Car Stereo Amp : Electronics
Amazon.com: ALPHASONIK AS10DF 10 inch 1200 Watts 4-Ohm Down Fire Shallow Mount Flat Enclosed Sub woofer for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Air Tight Sealed Bass Enclosure :
Amazon.com: Skar Audio EVL-8 D4 8" 1200 Watt Max Power Dual 4 Ohm Car Subwoofer : Electronics
Amazon.com: KICKER 44VCWC124 CompC 12 Inch 600 Watt 4 Ohm Compact Vented Loaded Thin Profile Car Audio Subwoofer Enclosure Box with Ported Design : Electronics
