Shure Black PGX14/PG30 UHF Headset System with Automatic Transmitter Setup by Shure

Created for active musicians and presenters who also manage their own
sound, Shure PGX Wireless improves your performance and simplifies your setup. Innovations such as automatic frequency selection and automatic
transmitter setup make wireless quicker and completely worry free. PGX
systems now feature Shure's patented Audio Reference Companding,
delivering the crystal clear sound quality that pro audio engineers trust. The system includes a PG30TQG Microphone, PGX1 Bodypack Receiver and PGX4 Diversity Receiver. Comfortable, reliable headworn system for drummers, presenters, disc jockeys and aerobic instructors.