The BLX14/SM31 Headworn Wireless System is part of the BLX 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.

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

MPN: BLX14/SM31-H11

BLX1

• Quick and easy receiver frequency matching
  
• TQG connection for use with Shure lavalier, headset, earset and instrument microphones and guitar cables
  
• Easily accessible On / Off switch
  
  BLX4
  
• XLR and ¼" output connectors
  
• Two-color audio status indicator LED
  
• Green: Normal audio levels
  
• Red: Excessive audio levels (overload / clipping)
  
  SM31FH
  
• Wireframe headset fits securely and comfortably for fitness and aerobics instructors
  
• Moisture-repellent hydrophobic fabric protects the microphone cartridge from harmful corrosion that occurs in humid environments
  
• Flexible gooseneck provides discrete adjustment capabilities to optimize placement for greatest isolation
  
• Lightweight and low-profile design won’t fatigue instructors during high-impact use
  
• TA4F (TQG) connector is compatible with any Shure wireless bodypack
  
• Included windscreen tames plosive, breath, and wind noise for clean and intelligible sound
  
• Tailored frequency response ideal for crisp, clear vocal reproduction
  
• Available with bundled BLX and GLX-D wireless systems
  
• Legendary Shure precision engineering for durability and performance