Now in stock! The limited edition 5575LE Unidyne Cardioid Dynamic Microphone is the 75th anniversary edition of the world’s most iconic microphone. The timeless look and detail of the original 55 Unidyne model’s 1939 debut is available to the public for the first time since the mid-20th century.

Blending the original design specifications with modern technology optimization, the 55 Unidyne Microphone celebrates 75 years of peerless engineering and sound quality. Produced in a serialized run of 5,575 units worldwide, this exclusive reissue is equally poised to make a performance statement as it is to become a treasured addition to any microphone collection for years to come.



  • Certificate of Authenticity features matching serialization and a tribute from Rose L. Shure, Chairman, Shure Incorporated
  • Serialized limited edition of 5,575 units
  • Original large “birdcage” grille enclosure
  • Vintage badging
  • Vintage desk stand features a retro design (zinc die-cast with silver finish) with 3 ft (1 m) right-angle XLR mic cable
  • Aluminum flight case displays the 75th anniversary logo
  • Collector’s photos include a full-color print of the 5575LE, plus a black-and-white print of the vintage 55 Unidyne