The SRE601 is a passive head adapter that connects Sennheiser series 5000 microphone heads and Neumann KK104S, KK105-HD, KK105S to Wisycom’s MTH610 wireless receiver. It serves as a compact coupling element enabling interoperability between compatible mic heads and the Wisycom system in professional audio setups. Published technical data from the manufacturer is limited to compatibility; no dimensions, weight, materials or electrical specs are provided.