Shure
Shure BLX14/SM31-H11 Wireless Fitness Headset Microphone
★★★★★
condenser
Experience Wireless Freedom with the Shure BLX14/SM31 Wireless Microphone System The Shure BLX14/SM31 Wireless Microphone System is an ideal entry-level solution for fitness instructors and performers seeking wireless freedom. This system delivers professional-quality sound, simple setup, and r...
$429.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Experience Wireless Freedom with the Shure BLX14/SM31 Wireless Microphone System
The Shure BLX14/SM31 Wireless Microphone System is an ideal entry-level solution for fitness instructors and performers seeking wireless freedom. This system delivers professional-quality sound, simple setup, and reliable performance, allowing you to move freely while maintaining excellent audio clarity.
Specifications
- System Type: UHF Wireless Microphone System
- Frequency Band: H11 Band
- Operating Range: Up to 300 feet (100m)
- Battery Life: Up to 14 hours (with 2x AA batteries)
- Microphone: SM31FH Fitness Headset Condenser Mic
- Receiver: BLX4 Single-Channel Receiver
- Transmitter: BLX1 Wireless Bodypack Transmitter
Key Features
H11 (572–596 MHz) UHF FREQUENCY BAND: Operates on the H11 (572–596 MHz) UHF frequency band for dependable wireless audio transmission in regions where this spectrum is authorized. Verify local compliance before ordering.
PROFESSIONAL RANGE & ALL-DAY POWER: Provides reliable audio transmission up to approximately 300 ft (100 m) line-of-sight. The BLX1 bodypack transmitter operates up to 14 hours using two AA batteries under typical conditions.
COMPLETE FITNESS AUDIO SETUP: Includes BLX4 single-channel receiver, BLX1 bodypack transmitter, and SM31FH fitness headset mic with clothing clip and windscreen. Also includes power supply, 2 AA batteries, and user guide.
IDEAL FOR FITNESS & ACTIVE PRESENTERS: The SM31FH headworn mic features a secure fit and moisture-resistant construction designed for aerobics instructors, trainers, and high-movement environments.
SHURE ENGINEERED RELIABILITY: Built with Shure’s trusted UHF wireless design and simple setup, supporting up to 12 compatible systems per band for reliable performance in multi-device setups.
Specifications
Brand
Shure
Model Name
BLX14/SM31-H11
System Type
Wireless Fitness Headset Microphone
Receiver
BLX4 single-channel receiver
Transmitter
BLX1 wireless bodypack transmitter
Microphone
SM31FH fitness headset condenser mic
Operating Range
Up to 300 feet (100m)
Battery Type
AA batteries
Battery Life
Up to 14 hours
Max Channels per Band
Up to 12
Warranty
2-YEAR
Included Accessories
Power supply, belt clip, clothing clip, windscreen, 2x AA batteries, user guide
Pros & Cons
👍 Pros
- Offers professional Shure sound quality suitable for various vocal needs and performances
- Provides an extended operating range of up to 300 feet (100m), allowing for freedom of movement on stage
- Ensures quick and easy setup, enabling users to get the system operational in minimal time
- Transmitters boast an impressive battery life of up to 14 hours from a single pair of AA batteries
- Supports system expansion, allowing up to 12 channels per frequency band for larger setups
👎 Cons
- Requires users to verify the wireless frequency band compatibility for their specific area before purchase
- The "superior audio" claim is not supported by specific audio specifications like frequency response or signal-to-noise ratio
- As a fitness headset, the SM31FH mic is optimized for active use, which might not be ideal for stationary vocal performances
- The system's expansion capability of "up to 12 channels" depends on available local frequency bands and interference
- User-friendly interface details are not specified, making it difficult to assess ease of use for advanced settings
Frequently Asked Questions
How do I ensure the wireless frequency band will work in my location?
Before purchasing, it is important to refer to the Shure website's Wireless Frequency Finder to verify that the selected frequency band is compatible with your area.
What is the maximum operating range of this wireless microphone system?
This Shure BLX system operates effectively up to a range of 300 feet (100 meters), providing ample freedom of movement during performances.
How long do the batteries last in the BLX transmitters?
BLX transmitters are capable of providing up to 14 hours of power from a single pair of AA batteries, ensuring extended use.
Is it easy to set up this wireless fitness headset microphone system?
Yes, the BLX system is designed for quick and easy setup and operation, allowing users to get started in record time.
What components are included in the box with this system?
The box includes a BLX4 single-channel receiver, power supply, BLX1 wireless bodypack transmitter, belt clip, SM31FH fitness headset condenser mic, clothing clip, windscreen, 2x AA batteries, and a user guide.
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