Buyr.com | Component Subwoofers | PIONEER Alphasonik AS8DF 8 inch 600 Watts 4-Ohm Down Fire Shallow Mount Flat Enclosed Sub woofer for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer
Pioneer TS-A2500LS4 – Santa Clarita Auto Sound
Pioneer Compact 9 in. x 4.625 in. 160-Watt Powered Subwoofer with Built-In Amp TS-WX010A - The Home Depot