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 - Haut-Parleur 21'' (53cm) - Haut-Parleurs , filtres passifs et accessoires - Sono | Terre de Son
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
B and C - 21DS115 - 407,00 € - SV-BC21DS115 - B and C - SonoLens
Mini" Devastator with B&C 21DS115-4 | AVS Forum
Test Bench: B&C Speakers 21DS115 21-Inch Woofer | audioXpress