Amazon.com: Power Acoustik 12 Inch Powerful 700 Watt RMS Shallow Mounting Depth Car/Vehicle Subwoofer Loud Speaker, Black (2 Pack)
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Amazon.com: Massive Audio SUMMOXL124-12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
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JL Audio 2003-2007 Hummer H2 Subwoofer Stealthbox | Audio Express | Western United States