This used Sennheiser SK 100 G3 wireless bodypack transmitter is in excellent condition, delivering reliable and crystal-clear performance for live sound, broadcasting, and recording applications. Operating in the UHF frequency range (516-558 MHz), it features 1680 tunable frequencies and easy synchronization via infrared interface. With a sturdy metal housing and intuitive menu navigation, it offers up to 8 hours of operation using two AA batteries and a transmission range of up to 100 meters/330 feet. Compatible with Sennheiser G3 receivers and lavalier mics using the 3.5mm locking connector, this bodypack ensures professional-quality audio in any environment.