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PIONEER CAR SUBWOOFER 12″ SINGLE VC 4OHM 1500W TSW32S4 – Oikos Center
Amazon.com: Alphasonik NSW412 Neuron 400 Series 12” 1500 Watts Max / 500 Watts RMS Dual 4 Ohm Car Subwoofer w/ High Grade Magnet Non Pressed Paper Carbon Stitched Cone Cooling Rings System