3-Pin Microphone With LED Ring ATUC-M43H Gooseneck microphone for ATUC-50 Digital Discussion System ATUC-M43H 3-Pin Microphone With LED Ring 3-Pin Microphone With LED Ring ATUC-M43H 3-Pin Microphone With LED Ring (430mm). Compatible with ATUC-50 Digital Discussion System that has a Unique 3-pin balanced microphone with remote controlled LED ring. Patent-pending design isolates the microphone connector and discussion unit. ATUC-M43H 3-pin microphone with led ring Compatible with ATUC-50 Digital Discussion System Unique 3-pin balanced microphone with remote controlled LED ring Patent-pending design isolates the microphone connector from the discussion unit Double-layer pop filter (inside microphone and detachable windscreen) RFI shielding technology offers outstanding rejection of RF interference 430mm Double-gooseneck design for incredible positioning flexibility Also available in 580mm length