Shure BLX14/SM31

Professional Fitness Wireless Microphone System

The Shure BLX14/SM31 Fitness Microphone Headset Shure joins world-class design and construction with simple and easy setup and operation, featuring QuickScan frequency selection, for legendary sound and performance, right out of the box.

Shure BLX® headworn wireless microphone 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.

Shure BLX14/SM31-H8 Includes:

• BLX4 wireless receiver
• BLX1 bodypack transmitter
• SM31FH headset microphone
• Power supply
• Clothing clip
• Windscreens
• User guide

Shure BLX14/SM31-H8 Features:

• BLX4 single-channel receiver:
  • XLR and 1/4" output connectors
  • Microprocessor-controlled internal antenna diversity
  • Two-color audio status indicator LED:
    • Green: Normal audio levels
    • Red: Excessive audio levels (overload / clipping)
• BLX1 bodypack transmitter:
  • 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
• SM31FH headset microphone:
  • 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

Shure BLX14/SM31-H8 Specifications:

• BLX4 single-channel receiver:
  • Compatible Systems per Band: Up to 12 (region-dependent)
• BLX1 bodypack transmitter:
  • Battery Life: Up to 14 hours
  • Typical Operating Distance: 300 ft (100 m) transmission radius
• SM31FH headset microphone:
  • Type: Electret Condenser
  • Frequency Response: 45 Hz – 20 kHz
  • Polar Pattern: Cardioid