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Rockford Fosgate P3SD2-8 Punch Stage 3 shallow 8" subwoofer with dual 2-ohm voice coils at Crutchfield
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Amazon.com: Alphasonik NSW408 Neuron 400 Series 8 Inch 750 Watts Max / 250 Watts RMS Dual 4 Ohm Car Subwoofer w/High-Grade Magnet Non Pressed Paper. : Electronics
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