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Amazon.com: Orion HCCA151SPL 15" 5000 Watts RMS Dual 1 Ohm Competition Car Subwoofer Black Coil : Electronics
Amazon.com: (2) New RE Audio SR PRO 10D4 SRPRO10D4 10" 640w RMS DVC 4 Ohm Car Subwoofers : Electronics
Amazon.com: DS18 PSW10.2D 10" Shallow Mount Subwoofer 1000 Watts Max Power 500 Watts RMS Dual Voice Coil 2+2 OHMS Water Resistant - Best Sub for Tight Spaces in Car & Trucks - 1 Speaker : Electronics