Two GSG Full Marty Classic 21" B&C 21DS115 21" Professional Subwoofers! | AVS Forum
B&C Speaker 21DS115 4Ω - 21″ Subwoofer
B&C 21DS115 is a very high power 21" subwoofer for speaker subwoofer systems- B&C 21DS115 21" Subwoofer has a lightweight neodymium magnet - B&C 21DS115 21" high power speaker for speaker subwoofer
21DS115 LF Drivers - B&C Speakers
B&C 21DS115-4 | Reverb
21DS115 LF Drivers - B&C Speakers
B&C 21DS115 in action - YouTube
Recone kit B&C Speakers 21DS115, 8 ohm, glue not included
High Order Quarterwave Society (DIY Paraflex development community) | A sneak peak at Ricky Tipper's giant sized 25hz tuned Paraflex cabinets for the B&C 21DS115 driver .....72" x 24" x 36"... | Facebook
Impact Soundsystem - New toys in town 🕺 B&C Speakers SpA 21DS115, comes along with a big bass box next year! 🧙♂️ | Facebook