b&c 8pe21 studio subwoofer Car Speakers - Newegg.com
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&C 21SW152-4 21" Neodymium Subwoofer 4 Ohm
B&C 21SW52-4 21" Neo Subwoofer LF ND Driver 4 ohm
2x B&C 18DS115-8 18" Neodymium Subwoofer Speaker 3400W 8-Ohm Bass Sub 35-500 Hz. 848864050591 | eBay