Amazon.com: Planet Audio AC12D Car Subwoofer - 1800 Watts Maximum Power, 12 Inch, Dual 4 Ohm Voice Coil, Sold Individually : Electronics
Planet Audio BBD12B Big Bang Series 12 Inch Car Audio Subwoofer 636210105503 | eBay
Planet Audio AC12D Anarchy Series 12 Inch Car Audio Subwoofer - 1800 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, For Truck Boxes and Enclosures, Hook Up To Amplifier - Walmart.com
Planet Audio Ac8d 8" 2400 Watt Car Subwoofer Power Sub Woofer Dvc 4 Ohm : Target