B&C 21SW152 is a very high power 21" subwoofer for speaker subwoofer systems- B&C 21SW152 21" Subwoofer has a lightweight neodymium magnet - B&C 21SW152 21" high power speaker for speaker subwoofer
21SW152 LF Drivers - B&C Speakers
2) B&C 21SW152-4 21" Neodymium Subwoofer 4-Ohm DJ Live Sound 4000Watts Bass Sub | Reverb
For Sale: B&C 21sw152-4 (2) | Car Audio Classifieds!
B&C 21SW152 21" Neodymium Subwoofer 4000W High Power 21 inch woofer - AliExpress