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Amazon.com: 2X Soundxtreme ST-1252 12 Inch 2600 Watts Max Power for Pair Car Audio Subwoofer Dual 4 Ohm Voice Coil Configuration Competition 12" Subs Elite Stereo Speaker System : Electronics
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Amazon.com: 10" Subwoofer 4000W 4 Ohm DVC Pro Car Audio Bass Massive HIPPOXL104 : Electronics
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