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Shure BLX14/SM31 SM31 Wireless Fitness Headset Microphone System, Channel H8

This set combines Shure's easy-to-use BLX wireless system with the rugged SM31 headset microphone -- it's water-repellent and built to last in the fitness studio. (1) Rate and review this product
Ships to: Can ship to United States
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Product Description

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 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. Legendary sound and performance, right out of the box.

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 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

zZounds is an authorized dealer of Shure products.
- 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
Weight, Dimensions, and Manufacturer Part Numbers
Channel H8
Shipping Weight: 3 lbs
Shipping Dimensions: 14 x 12 x 4 in
Manufacturer Part Number (MPN): BLX14/SM31-H8
Channel J10
Shipping Weight: 3 lbs
Shipping Dimensions: 14 x 12 x 4 in
Manufacturer Part Number (MPN): BLX14/SM31-J10
Channel K12
Shipping Weight: 3 lbs
Shipping Dimensions: 14 x 12 x 4 in
Manufacturer Part Number (MPN): BLX14/SM31-K12
Channel M15
Shipping Weight: 3 lbs
Shipping Dimensions: 14 x 12 x 4 in
Manufacturer Part Number (MPN): BLX14/SM31-M15
Warehouse Resealed, Channel J10
Shipping Weight: 3 lbs
Shipping Dimensions: 14 x 12 x 4 in
Manufacturer Part Number (MPN): BLX14/SM31-J10
If you have additional warranty questions, please contact the manufacturer at 800-25-SHURE
Customer Reviews
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Available on
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Need it now but short of cash? All we need is the first payment up front and the rest in easy monthly payments!

Fast approval.
We approve everyone, with very few exceptions, as long as we can verify your identity.
No interest. Ever.
It's just as if you paid the whole amount up front!
No paperwork. Nothing to track.
No application to mail or fax, no bills to pay. We automatically charge the payments to your credit card.

We'll wait on your money so you don't have to wait for your gear!

When you checkout, just click the Play as you Pay checkbox to indicate which installment plan you wish to use.

close [x]
on most orders $29+

Just $1.99 on
smaller orders

Really heavy stuff might cost you a
little more

learn more

Why fight traffic and pushy salesmen when we'll bring your gear straight to your home, free of charge?

zZounds free shipping is really free!
No hidden charges or hassles on returns.
Fast, reliable delivery
We have warehouses on both coasts, so most shipments arrive in 3 days or less.
We don't collect sales tax. Bonus!
Only NJ residents pay tax during checkout.
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