QPower SHALLOW110 Single 10 Inch Vented Shallow Subwoofer Sub Box Enclosure - Walmart.com
Alphasonik Dynamis DCP8 | Alphasonik
Pioneer New TS-A2000LD2 8-inch Shallow-Mount Subwoofer - Walmart.com
Amazon.com: Alphasonik Dynamis DCP8 8 inch 1000 Watts 4-Ohm Shallow Mount Flat Enclosed Sub woofer in Ported Vented Box for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Custom Port