Coustic By MTX C124 12" 500 Watt Car Audio Subwoofer + Sealed Sub Box Enclosure - Walmart.com
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BOSS Audio Systems P10SVC Phantom Series 10 Inch Car Audio Subwoofer - 1200 Watts Max, Single 4 Ohm Voice Coil, Sold Individually, For Truck Boxes and Enclosures, Hook Up To Amplifier
Xcelsus Audio XXS12 12" subwoofer speaker
ZXI 15" High Excursion Subwoofer Quad Stacked Magents 1000 Watts Rms D
SPK-8S2 - AudioControl
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Earthquake Sound TremorX-154 1500 Watt 4 Ohm 15' High Performance Car Subwoofer - Walmart.com
Sundown Audio SA-15 V.2 D4 15" 1000W RMS Dual 4-OHM SUBWOOFER BASS Spe – East Car Audio