Pioneer TS-SW3001S4 - 12" Shallow Mount Subwoofer 4ohm Buy at Lowest Price
Pioneer TS-SW2541D 10" 4-ohm shallow subwoofer at Crutchfield
Pioneer TS-WX130DA Compact 8 x 5.25 160-Watt Active Subwoofer with Built-in Amp - Walmart.com
Pioneer TS-SW3002S4 12" 1500W TS Series Shallow Mount Single 4 ohm Subwoofer
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
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