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Amazon.com: CT Sounds STRATO-10-D2 2500 Watts Max 10 Inch Car Subwoofer Dual 2 Ohm
DD AUDIO 1110-D2 USA MADE 10" SUB 800W DUAL 2-OHM CAR SUBWOOFER BASS SPEAKER NEW | eBay
Sundown Audio Ev4 10" inch DVC Dual 2 Ohm (E Series) Car Subwoofer 500 Watts RMS
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