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
Speaker B&C Speakers 15SW115, 4 ohm, 15 inch
B&C 15SW115-4 15 inch Professional Neodymium Subwoofer for sale online | eBay