Helix Esprit E12W Shallow-mount 12" subwoofer with dual 2-ohm voice coils at Crutchfield
Best Shallow-mount Car Subwoofers: Updated November 2022
Car Audio 12" inch Shallow Slim Loaded subwoofer box for camper van car Truck | eBay
QPower 10 Inch Single Slim Shallow Subwoofer Box and Pyle 1000 Watt Subwoofer - Walmart.com
ELAC 8" Slim Subwoofer with AutoEQ - SUB2010
Shallow Series Subwoofer | Pioneer Middle East - Car Stereo, Car Subwoofer, Amplifier
Amazon.com: ALPHASONIK AS10DF 10 inch 1200 Watts 4-Ohm Down Fire Shallow Mount Flat Enclosed Sub woofer for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Air Tight Sealed Bass Enclosure :