Mb Quart 400 Watt 8 Inch Shallow Slim Subwoofer Speaker, Formula Monoblock Class D 1,000 Watt Audio Amplifier, And Soundstorm Aks8 8 Gauge Wiring Kit : Target
Amazon.com: MB Quart DS1-204 Discus Shallow Mount Subwoofer (Black) – 8 Inch Subwoofer, 400 Watt, Car Audio, 2 Inch Voice Coils, UV Rubber Surround, Best in Sealed Enclosures : Electronics
Shallow Mount 8 Inch Subwoofers at Crutchfield
Amazon.com: Alphasonik AS8DF 8 inch 600 Watts 4-Ohm Down Fire Shallow Mount Flat Enclosed Sub woofer Slim Thin Loaded Subwoofer Air Tight Sealed Bass Enclosure : Electronics
Focal IFBMW-Sub.V2 Flat Subwoofer 8" (200mm) Dedicated for Bmw -
Helix Esprit E8W Shallow-mount 8" subwoofer with dual 2-ohm voice coils at Crutchfield