Shure BLX14/SM31 Wireless System with SM31FH Fitness Headset Microphone

This set combines Shure's easy-to-use BLX wireless system with the rugged, water-repellent SM31 headset microphone -- a great fit for the fitness studio.

The Shure BLX14/SM31 SM31 Wireless Fitness Headset Microphone System from Shure joins world-class design and construction with simple and easy setup and operation, featuring QuickScan frequency selection and the ultra-durable, moisture-resistant SM31FH Fitness Headset Condenser microphone -- ideal for fitness and aerobics instructors.

For performers, presenters and instructors who wish to unplug from the wire, BLX Wireless Systems are the clearest choice. Shure delivers wireless confidence with legendary sound from industry-renown microphones, decades of wireless design proficiency and world-class construction.

The SM31FH adds hydrophobic materials to the industry-standard, road-tested Shure SM family in a rugged and durable cardioid condenser microphone. The moisture-repelling cartridge housing protects the microphone and ensures a long lifetime of use, all but eliminating the need to frequently replace typical headsets.

Features:

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

BLX1 Bodypack Transmitter:

- Up to 14 hours of continuous use (2AA batteries)
- Up to 300 feet (100m) transmission radius (line of sight)
- Quick and easy frequency matching (GROUP and CHANNEL selection buttons)
- TQG connection for use with Shure lavalier, headset, earset and instrument microphones and guitar cables
- Tactile on/off switch
- Adjustable gain control
- Lightweight, rugged construction

BLX4 Wireless Receiver:

- One-touch QuickScan frequency selection quickly locates the best open frequency (in case of interference)
- Up to 12 compatible systems per frequency band (region-dependent)
- XLR and 1/4" output connectors

WARNING: Cancer and Reproductive Harm - www.p65Warnings.ca.gov.
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- Working Range: 91 m (300 ft) Line of Sight
- Audio Frequency Response: 50 to 15,000 Hz Note: Dependent on microphone type
- Total Harmonic Distortion: 0.5%, typical
- Dynamic Range: 100 dB, A-weighted, typical
- Operating Temperature: -18*C (0*F) to 57*C (135*

BLX1 Bodypack Transmitter Specifications:
- BLX1 Bodypack Transmitter Audio Input Level gain max: -16 dBV maximum
- BLX1 Bodypack Transmitter Audio Input Level gain min (0 dB) : +10 dBV maximum
- Gain Adjustment Range: 26 dB
- Input Impedance: 1 MO
- RF Transmitter Output: 10 mW, typical varies by region
- Dimensions: 110 x 64 x 21 mm (H x W x D)
- Weight: 75 g (2.6 oz.), without batteries
- Housing: Molded ABS
- Power Requirements: 2 LR6 AA batteries, 1.5 V, alkaline
- Battery Life: up to 14 hours (alkaline)

SM31FH Fitness Headset Condenser Microphone Specifications:
- Type: Electret Condenser
- Frequency Response: 45 to 20,000 Hz
- Polar Pattern: Unidirectional (Cardioid)
- Output Impedance: @ 1 kHz 600 O
- Audio Output Level: -50 dBV/Pa
- Signal-To-Noise Ratio: @ 1 kHz 66 dB
- Maximum SPL: 1000 O load, @ 3% THD 145.0 dB
- Dynamic Range: @ 1 kHz, 1000 O load 117.0 dB
- Equivalent Output Noise: Typical, A-Weighted 28 dB
- Power Requirements: +5 V DC (nominal), 10 V maximum (DC bias)
- Cable: 1.1 m (45 in.)
- Connector: TA4F
- Net Weight: 60 g (2.11 oz.)
- Included: BLX4 wireless receiver; BLX1 bodypack transmitter; SM31FH Fitness Headset Condenser Microphone with windscreen and cable clip
Dimensions and Weight in Packaging
Band J11 (596-616 MHz)
Shipping Weight: 2.75 lbs
Shipping Dimensions: 14 x 12 x 4 in
Manufacturer Part Number (MPN): BLX14/SM31-J11
Band H9 (512-542 MHz)
Shipping Weight: 3 lbs
Shipping Dimensions: 14 x 12 x 4 in
Manufacturer Part Number (MPN): BLX14/SM31-H9
Band H11 (572-596 MHz)
Shipping Weight: 2.75 lbs
Shipping Dimensions: 14 x 12 x 4 in
Manufacturer Part Number (MPN): BLX14/SM31-H11
Band H10 (542-572 MHz)
Shipping Weight: 2.5 lbs
Shipping Dimensions: 14 x 12 x 4 in
Manufacturer Part Number (MPN): BLX14/SM31-H10

Consumer Alert

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC's wireless microphone website at www.fcc.gov/cgb/wirelessmicrophones

NOTE: None of the wireless systems we carry are capable of violating the FCC guidelines stated above. We are presenting this information as a matter of legally required disclosure.

For support or warranty questions, please contact the manufacturer:
Phone: (800) 516-2525
Email: service@shure.com

Reviewers gave this product an overall rating of 5 out of 5 stars. (3 ratings)
Submitted November 18, 2017 by Scot R in Coudersport, PA
"This soungs the best. "
Overall: 5 out of 5 stars
Verified Customer zZounds has verified that this reviewer made a purchase from us.
Me and my Girlfriend are Zumba instructors. We purchased two of these to teach class. We put the bodypack receiver in a sandwich bag to keep them sweat free. Although the Mic is water proof, the bodypack is plastic and the electronics could be easily damaged. We bought waist holders from amazon which work best. We have tried two other brands that were cheaper but Shure is the best. Wish they sold a hard case like the older Shure handheld.
Musical Background:
DJ, and fitness instructor
Musical Style:
Pop dance.
6 of 6 people (100%) people found this review helpful. Did you?
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Band H9 (512-542 MHz)

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