Shure BLX14/SM31 Headworn Fitness Wireless System (Freq: H10) bantam-plug and a single Gain control

and a single Gain control with a Clip indicator

This black powder coat aluminum Global Truss Genderless 4

or as push-to-mute (cough switch)

rich and harmonic tone

Shure BLX14/SM31 Headworn Fitness Wireless System (Freq: H10) bantam-plug and a single Gain controlThe Shure BLX14 SM31 brings fitness and aerobics instructors a cost effective wireless headset microphone system with quality sound, simple setup, intuitive operation, and dependable performance right out of the box. It includes the compact and lightweight BLX4 single channel tabletop receiver with internal antennas, ideal for portable use. The BLX14 SM31 also includes an SM31FH cardioid fitness headset mic with windscreen and a bodypack transmitter.