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Seismic Audio - SA-BPT12-A - Active 12 Inch Car Audio Subwoofer Tube Speaker - 600 Watt Sub Speaker Enclosure 4 Ohm with Rear Vent
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Amazon.com: JBL BassPro SL2 Active Underseat Car Subwoofer with Built in Amplifier - Under Seat 8'' Subwoofer Car with 125 Watt Power Amplifier : Electronics
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Amazon.com: JBL BassPro SL2 Active Underseat Car Subwoofer with Built in Amplifier - Under Seat 8'' Subwoofer Car with 125 Watt Power Amplifier : Electronics
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Amazon.com: JBL Club WS1000 - 10” shallow mount subwoofer w/SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm : Electronics
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Monoprice SW-12 400 Watt RMS 600 Watt Peak Powered Subwoofer - 12in, Ported Design, Variable Phase Control, Variable Low Pass Filter, for Home Theater
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