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Amazon.com: JBL Professional SRX818SP Portable Self-Powered Subwoofer System, 18-Inch, Black : Everything Else
Amazon.com: Pioneer TSW312D4 Champion Series 12" 1500 Watt Dual 4 Ohm Voice Coil DVC Car Subwoofer : Electronics
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Amazon.com: Skar Audio SVR-10 D4 10" 1600 Watt Max Power Dual 4 Ohm Car Subwoofer, 10" - Dual 4 Ohm : Electronics
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Amazon.com: Skar Audio SVR-12 D2 12" 1600 Watt Max Power Dual 2 Ohm Car Subwoofer : Electronics
Amazon.com: JBL Club 1024 - 10” Subwoofer w/SSI (Selectable Smart Impedance) switch from 2 to 4 ohm, Black : Electronics
Amazon.com: JBL Professional PRX418S Compact Passive Subwoofer, 18-Inch, Black : Electronics
Amazon.com: JBL Dual 12" Car Audio Ported Enclosure, Black : Electronics
Amazon.com: JBL Professional Control 312CS High-Output 12-Inch In-Ceiling Subwoofer Loudspeaker : Everything Else
Amazon.com: JBL Professional SRX818S Portable Passive Subwoofer System, 18-Inch, Black : Everything Else
Amazon.com: NVX VCW104v3 10" 1600 Watt Peak (800W RMS) Dual 4-Ohm VC-Series Car Subwoofer (VCW104 Version 3) : Electronics
Amazon.com: Timpano 15" Sub D4 1600 Watts Max Power Dual 4 Ohm, 15 Inch Car Subwoofer 16 mm Xmax, TPT-T1500-15 D4, 2.6 in Voice Coil, Double Stacked Magnet Sub Woofer for Car
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