Shure BLX14/SM31 Wireless Headset Mic System with SM31

The BLX14/SM31 Headworn Wireless System is part of the Headworn wireless systems family.

Shure BLX Wireless Systems combine professional-quality sound with simple setup and an intuitive interface for legendary audio performance right out of the box. Precision-built and available in a variety of configurations, it's the most accessible way to own the stage.

Up to 14 hours of continuous use with 2 AA batteries. 300 ft (100 m) transmission radius.

Single channel wireless receiver with microprocessor-controlled internal antenna diversity.

Cardioid condenser headset microphone for wireless systems features hydrophobic construction that repels moisture. For use in fitness instruction.

Includes BLX4 wireless receiver, BLX1 bodypack transmitter, SM31 fitness headset microphone, power supply, clothing clip, windscreens, and user guide.

• Up to 12 compatible systems per frequency band (region dependent)
• One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference
• Up to 14 hours of continuous use from 2 AA batteries (included)
• Up to 300 ft (91 m) operating range for total wireless freedom
• XLR and 1/4" output connectors
• Rugged and reliable Shure construction
• Legendary Shure microphones options featuring integrated microphone capsule design