Shure BLX14/SM31 Wireless Headset Microphone System  UHF SM31FH Sweat-Resistant Fitness Mic for Gym, Aerobics & Active Presentations

Product Description – English

The Shure BLX14/SM31 is a wireless headset microphone system built for high-energy environments such as fitness classes, aerobics, and active presentations. It features the SM31FH cardioid condenser sweat-resistant headworn microphone, designed for durability and comfort. Paired with the BLX1 bodypack transmitter and BLX4 UHF receiver, it delivers consistent audio clarity and stable wireless performance.

SM31FH sweat-resistant cardioid condenser headset mic
BLX1 bodypack transmitter
BLX4 tabletop UHF receiver
QuickScan automatic frequency selection
Ideal for gyms, group classes, trainers, and live presentations