Pioneer TS-SW2541D 10" 4-ohm shallow subwoofer at Crutchfield
Pioneer TS-A3000LS4 Shallow-mount 12" 4-ohm subwoofer at Crutchfield
Amazon.com: PIONEER 12" Single 1500W Slim Box W WOOF : Electronics
TS-A3000LB - 12" – 1500 W Max Power/ 400 W RMS, Single 2 Ohms Voice Coil, Rubber Surround - Shallow-Mount Pre-Loaded Enclosure Subwoofer | Pioneer Electronics USA
Car Subwoofers | Pioneer
Amazon.com: PIONEER TS-WX130EA Pre-Amplified Active Subwoofer, 160 W : 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