Shure BLX14UK/SM31 Wireless Fitness Headset System with SM31FH Headset Microphone

Take your workouts, stage performances, or fitness classes to the next level with the Shure BLX14/SM31 Wireless Fitness Headset System – engineered for crystal-clear audio, reliable wireless performance, and all-day use. This wireless headset microphone system delivers professional-grade Shure sound with a lightweight, moisture-resistant headset mic designed specifically for high-intensity environments like gyms, studios, and group training sessions.

Key Features of the Shure BLX14/SM31 Wireless Headset System:

Superior Audio Quality – Perform with Confidence
Get legendary Shure sound without the wires. The SM31FH fitness headset microphone ensures your voice cuts through clearly, even in loud environments.

Reliable Wireless Signal – Up to 300 Feet of Range
With a wireless range of up to 300 feet (100 meters), you can move freely across large studios, gyms, or stages without dropouts or interference.

Quick & Easy Setup – One-Touch Sync
The BLX4 receiver and BLX1 bodypack transmitter offer simple setup with one-touch frequency scan and sync, letting you focus on your performance, not the tech.

Long Battery Life – Up to 14 Hours
Power through multiple sessions with up to 14 hours of battery life from just two AA batteries—perfect for long classes, rehearsals, or events.

Expandable System – Up to 12 Channels Per Band*
Run up to 12 wireless channels per frequency band (region-dependent) with excellent audio clarity—ideal for group fitness studios or multi-performer events.

Sweat & Moisture-Resistant Design
The SM31FH headset mic features a hydrophobic construction that repels sweat and moisture, making it perfect for fitness professionals, instructors, and active performers.

What’s in the Box?

• BLX4 single-channel wireless receiver
• SM31FH cardioid condenser fitness headset microphone
• BLX1 bodypack transmitter
• Clothing clip
• Power supply
• 2 AA batteries (for immediate use)
• Windscreens
• User guide/manual