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Amazon.com: Earthquake Sound DBXi-15D 15-inch Subwoofer with Dual 4-ohm Voice Coil, 2000 Watts, Black, Grey, Red : Everything Else
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BOSS Audio Systems P80DVC Phantom Series 8 Inch Car Audio Subwoofer - 100 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, For Truck, Boxes and Enclosures, Use With Amplifier - Walmart.com
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