Rockford Fosgate Punch P300-10 Punch powered subwoofer with 10" sub and 300- watt amp at Crutchfield
Amazon.com: 10 Inch Car Subwoofer Speaker - 300 Watt High Powered Car Audio Sound Component Speaker System w/ 1.5 Inch Kapton Bobbin Voice Coil, 8 Ohm, 25 oz Magnet, Cloth Edge Suspension - Pyramid WH10,Black
New Kicker 43C104 10-inch 300 Watts Max Power Single 4 Ohm Car Subwoofer - Walmart.com
Amazon.com: KICKER 43C104 Comp 10" 300 Watt SVC 4-ohm Car Audio Subwoofer Sub : Electronics