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Amazon.com: DS18 SLC-8S Subwoofer in Black - 8-Inch Speaker, 400W Max Power, 200W RMS Power, Aluminum 4 Layer Voice Coil, Black Steel Frame, SVC, 4 Ohm Impedance, Ferrite Magnet (1 Speaker) (SLC8S) : Electronics
Amazon.com: MB Quart DS1-204 Discus Shallow Mount Subwoofer (Black) – 8 Inch Subwoofer, 400 Watt, Car Audio, 2 Inch Voice Coils, UV Rubber Surround, Best in Sealed Enclosures : Electronics
Amazon.com: Skar Audio IX-8 D2 8" 300 Watt Max Power Dual 2 Ohm Car Subwoofer : Electronics
Amazon.com: Memphis Audio MB1524 15" MSeries MB Subwoofer with Selectable Impedance, 2 Or 4 Ohms - 500 wRMS : Electronics
Amazon.com: PyleUsa 8" Dual Subwoofer Box System - 400-Watt Slim Mount Truck Audio Subwoofer Box - Rear Vented Design with Built-in Illuminating LED Lights, 2x400 Watts Max Power : Electronics
Amazon.com: Rockford Fosgate P3SD2-8 8" Dual 2-Ohm Punch Series Shallow Mount Car Subwoofer : Everything Else
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