The Shure BLX14/SM31 fitness headset system delivers reliable UHF wireless performance for instructors, trainers, and presenters in active environments.
Includes BLX4 single-channel receiver, BLX1 bodypack transmitter, and SM31FH fitness headset mic with windscreen and clip for secure, clear voice capture during movement.
The bodypack provides up to 14 hours of use on AA batteries, with a wireless range of up to 300 ft (100 m) line-of-sight under typical conditions.
Supports up to 12 compatible channels per band for flexible setups, built with Shure's trusted wireless design for consistent, dependable performance.

