Amazon.com: Pioneer TS-SW2002D2 8-inch Shallow-Mount Subwoofer with 600 Watts Max Power : Electronics
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-A6880F 6 x 8 inch 4-Way Coaxial Speakers
Amazon.com: Pioneer TS-SW2002D2 8-inch Shallow-Mount Subwoofer with 600 Watts Max Power : Electronics
TS-SW841D - 8" Shallow-Mount Subwoofer with 500 Watts Max. Power | Pioneer Electronics USA
Pioneer TS-A2000LD2 Shallow-mount 8" subwoofer with dual 2-ohm voice coils at Crutchfield
Amazon.com: Pioneer TS-M800PRO 8-Inch PRO Series High Efficiency Mid-Bass Car Speaker Drivers - Pair (Discontinued by Manufacturer), Black : Electronics