DS18 HOOLIGAN X Black Frame, High Excursion 15" audio Subwoofer 6000 Watts MAX 4" DVC 1-Ohm
H YANKA 15 Inch Subwoofer - 15 Inch Paper Cone Subwoofer Car Audio, Black Steel Basket, Dual Voice Coil 2 Ohm Impedance 15 subwoofer, 2400W MAX Power 15 inch Competition Subwoofer - Walmart.com
TXX-BDC4-15 Subwoofer - Quad Stack
Amazon.com: Gravity Car Vehicle Subwoofer Audio Speaker - 15 Inch Competition Grade Pressed Paper Cone, 2 Ohm DVC, Advanced Air Flow, 9600W Power for Stereo Sound System Warzone G715D2 (2 Subwoofers) : Electronics
V154DV2 - 15 Inch Dual 4-ohm High-Performance 550W RMS / 1500W MAX Power Handling Subwoofer - Cerwin Vega
Amazon.com: Bbox Single Sealed 15 Inch Subwoofer Enclosure - Car Subwoofer Boxes & Enclosures - Premium Subwoofer Box Improves Audio Quality, Sound & Bass - Red & Black Spring Terminals - Charcoal : Electronics
Pyle Plpw15d 15" 2000 Watt 4-ohm Dvc Power Car Audio Subwoofer Sub Woofer : Target
HD 15" Subwoofer | Car Audio Equipment | American Bass