B&C 15BG100 15" Neodymium Subwoofer 2000 Watts 8-Ohms Water Resistant
B&C 15SW115 is a lightweight very high power 15" woofer for speaker subwoofer systems with a 4.5 inch split winding voice coil. B&C 15SW115 Speakers - B&C 15" 15SW115 high power speaker
B And C 15SW115-8 B&c 15" Sub Neo Magnet 8 Ohms 4.5" Coil Car Subwoofers - Newegg.com
Precision Devices PD.154C001 – Thomann United States