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P3SD4-8 - Rockford Fosgate 8" 150W RMS Dual 4-Ohm Punch Series Shallow Mount Car Subwoofer : Electronics
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Monoprice SW-10 150 Watt RMS (300 Watt Peak) Powered Subwoofer 10in, Ported Design, Variable Phase Control, Variable Low Pass Filter, For Home Theater - Walmart.com
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NVX QBUS8P 300W Peak (150W RMS) Amplified and Loaded 8" Ported Under Seat Quick Bass Universal Subwoofer System with Remote Bass Knob : Electronics
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Massive Audio FC Series 6.5-Inch 150-Watt-RMS 2-Way Component Kit Speakers in the Mobile Audio department at Lowes.com
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