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Amazon.com: DB Drive WDX8G2-4 1500 W Max 8" Dual 4-Ohm Voice Coil Stereo Car Audio Subwoofer : Electronics
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Amazon.com: MTX TN10-04 Audio A10 inch 300 Watt Car Audio 84.9 dB 4 OHM Single Voice Coil Subwoofer (2 Pack) : Electronics
