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Bassworx SWS212 Shallow Woofer Series Dual 12 Inch Sealed Subwoofer
TNE212DV Dual 12" TERMINATOR Series 1000-Watt Peak Power Subwoofer Enclosure | MTX Audio - Serious About Sound®
Qpower Qbass Dual 12 Inch Heavy Duty Mdf Material Car Audio Subwoofer Enclosure Boxes With Shared Slot Port Vent And Dual Chamber Design, Charcoal : Target
Dual ALB12 12 Inch Amplified Subwoofer with Ported Enclosure