MTX 5510-22 10" 800 Watt Peak/400 Watt RMS Car Subwoofer Sub + Speaker - Rockville Audio
Audio System R 12 FLAT EVO 2 - 30cm/12 " Flat Subwoofer 400 Watt RMS | eBay
Amazon.com: MB Quart DS1-204 Discus Shallow Mount Subwoofer (Black) – 8 Inch Subwoofer, 400 Watt, Car Audio, 2 Inch Voice Coils, UV Rubber Surround, Best in Sealed Enclosures : Electronics
Alphasonik NSW412 Neuron 400 Series 12” 1500 Watts Max / 500 Watts RMS | Alphasonik