Amazon.com: 5 CORE 15 Inch Subwoofer Speaker 3500W Peak High Power Handling 350W RMS 15" Replacement 8 Ohm Pro Audio DJ Sub Woofer w CCAW Voice Coil Steel Frame 90oz Magnet 15-185
Rockville K5 W12K5S2 12" 1400w 2 Ohm Car Audio Subwoofer Sub 350w RMS CEA Rated!