AV-JEFE AVL606 Professional Headset Microphone with Hirose Mini 4 Pin XLR Connector Compatible with Audio-Tehnica Wireless System_Gooseneck Boom for Precise Positioning Compatible with Audio-Technica transmitters: T27, T31, T51, T200, T201, T210, T300, T310, 1100 Series, 1400 Series, 2000 Series, 3000 Series NOT compatible with T35, T75, T211, T601, T701, 1000 Series, 1200 Series, 4000 Series, 5000 Series, 7000 Series ** Important: For wireless receivers & transmitters of other brands, please contact us to check the compatibility first, even their connectors look identical. ** Excellent Ambient Noise Control. Durable & Easy-Adjustable Gooseneck Boom for Precise Mic Positioning. Best for Broadcasting, Speech & Lecture in Stadiums, Radio Stations, Schools, Churches, Auditoriums. Not for Aerobics, Cycling, Spin or Fitness Classes use.