Shure BLX14/SM31 - Headworn Wireless System

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.

BLX1 Bodypack Transmitter

The durable BLX1 features a lightweight, ergonomic design and adjustable gain control. For use with BLX® Wireless Systems.

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 Single Channel Receiver
The durable BLX4 features simple setup, intuitive controls, and microprocessor-controlled internal antenna diversity. One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference. For use with BLX® Wireless Systems.

XLR and ¼" output connectors
Two-color audio status indicator LED
Green: Normal audio levels
Red: Excessive audio levels (overload / clipping)
SM31FH Fitness Headset Condenser Microphone
The rugged and durable SM31FH is a cardioid condenser microphone constructed with hydrophobic materials that make it ideal for true performance in fitness instruction applications.

The moisture-repellent cartridge housing ensures a long product life by protecting the microphone from the corrosion damage that causes typical fitness instruction headsets to fail.

Available in bundled BLX and GLX-D wireless systems, the SM31FH features TA4F 4-pin (TQG) connectors that make it a viable replacement for any Shure wireless headset system.

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