Shure BLX14/SM31 Wireless Cardioid Fitness Headset Microphone System (J11: 596 to 616 MHz) All Video The port assembly is covered

The port assembly is covered by an aluminum mesh grille that allows unrestricted airflow yet prevents intrusion of bugs

This makes Control 25-1 an excellent choice for a wide variety of applications

0 to 355° rotation

plus a large digital countdown display and door release indicator that provides a clear warning for the safety of persons without prior knowledge of door operation

Perfect for Larger rooms

Shure BLX14/SM31 Wireless Cardioid Fitness Headset Microphone System (J11: 596 to 616 MHz) All Video The port assembly is coveredThe 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.