Kenwood KFC-W3010 12" 12-inch 4-ohm Car Audio Subwoofer 1000W MAX Electronics - Newegg.com
Kenwood P-XW1221DHP Dual 12" High Power Excelon Subwoofers in a Vented Enclosure and includes a KAC-9106D 2000 Max Power Class D Mono Amplifier - Creative Audio