Pyle Slim Subwoofer Box System 500 Watts High Powered 10-inch Woofers with a Non-Pressed Paper Cone - Walmart.com
Amazon.com: American Bass XD-1244 12-inch Subwoofer 500 Watt RMS / 1000 Watt Max Dual Voice Coil 4 Ohm Voice Coils 125 Oz Magnet : Musical Instruments
MTX TNP212DV Bass Package Includes TNE212DV ported enclosure (with two 12" subs) and TNA500D 500-watt mono amp at Crutchfield
American Bass XD-12 12" Car Subwoofer 500 Watts DVC 4-Ohm
Pioneer A Series TS-A300S4 12 Inch Car Subwoofer 500W RMS 1500W Max Power 4 OHM | eBay
Amazon.com: American Bass DX-15 4 Ohm, 500 Watt RMS / 1000 Watt Max Power, 15 Inch Subwoofer, 125 oz Magnet, Single, Hi-Temp 4-Layer Voice Coil, Black Powder Coated,Non-Pressed Paper Cone : Electronics
Amazon.com: NVX VSW82v2 8" 500 Watt (250W RMS) Dual 2-ohm Space Saver VS-Series Car Subwoofer (VSW 82 Version 2) : Electronics