Shure BLX14/SM31 Wireless Fitness Headset System, BLX4 Receiver, BLX1 Bodypack Transmitter & SM31 Cardioid Condenser Microphone

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.

BLX1 Wireless Bodypack Transmitter

• Adjustable gain control
• Power and battery status LED
• Quick and easy frequency matching
• 100 m (300 ft.) operating range (line of sight)
• AA batteries (included) provide up to 14 hours of continuous use

SM31FH – Fitness Headset Condenser Microphone

• Legendary Shure precision engineering for durability and performance
• Tailored frequency response refined for crisp and clear vocal reproduction
• Lightweight and low-profile form factors stave off fatigue during high-impact use
• Included windscreen tames plosive, breath and wind noises for clean and intelligible sound
• Wearable wireframe headset with secure, comfortable fit made for fitness and aerobics instructors
• Flexible gooseneck provides discrete adjustment options to optimize placement for greatest isolation
• Compatible with Shure wireless bodypack systems for direct replacement of TA4F-connected microphones
• Available with a wide range of Shure wireless systems, renowned for ease of use and reliable performance
• Integrated moisture-repelling hydrophobic fabric protects the microphone element from harmful corrosion for use in humid environments