DPA FAASE2-ewB d:facto SE2-ew Wireless AdapterAllows for seamless integration with Sennheiser 2000 9000 Evolution wireless systems. This gives you flexible, simple and affordable possibilities. With the d: facto series, you are no longer bound to one wireless system. As circumstances change, you can just switch your adapter at a quarter of the cost of a new microphone. You won't hear any loss in sound quality. d: facto adapters work with all leading wireless mic solutions, such as Lectrosonics,