Kenwood P-XW1221SHP Single 12" High Power Subwoofer in a Vented Enclosure and includes a X502-1 1000W Max Power eXcelon Series Class D Mono Amplifier - Creative Audio
Kenwood KFC-W3013PS Performance Series 12" 4-ohm component sub at Crutchfield
Kenwood KFC-W12PS Performance Series 12" 1000W Subwoofer
Amazon.com: Kenwood KFC-W3041 Car Subwoofer - 2000 Watts Maximum Power, 12 Inch, Single 4 Ohm Voice Coil, Sold Individually : Electronics
Kenwood Performance KFC-W2513PS Woofer, 300 W RMS, 1000 W PMPO - Walmart.com
KENWOOD KFC-W3041 12-Inch 2,000-Watt Max Subwoofer in the Mobile Audio department at Lowes.com
Kenwood KFC-W12DVC Performance Series Dual Voice Coil 12" Subwoofer (E — Safe and Sound HQ