V154DV2 - 15 Inch Dual 4-ohm High-Performance 550W RMS / 1500W MAX Power Handling Subwoofer - Cerwin Vega
Amazon.com: Pyle Car Vehicle Subwoofer Audio Speaker - 15inch Non-Pressed Paper Cone, Black Plastic Basket, Dual Voice Coil 4 Ohm Impedance, 2000 Watt Power, Foam Surround for Vehicle Stereo Sound System PLPW15D :
Amazon.com: H YANKA 15 Inch Subwoofer - 15 Inch Paper Cone Subwoofer Car Audio, Black Aluminum Basket, Dual Voice Coil 2 Ohm Impedance 15 subwoofer, 2400W MAX Power 15 inch Competition Subwoofer : Electronics
One unit (not pair) |15 Inch Woofer for Bass Compensation of Open Baffle or Cabinet | W-15 - Lii Song (Lii Audio), unique speaker, amplfier, quality and cost-saving parts for HiFi DIY
Banda BAJO15K4DV 15" 2000w Rms Super Subwoofer | Beach Audio