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Shure SM31FH Fitness Headset Condenser Microphone

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The rugged and durable SM31FH is a cardioid condenser microphone constructed with hydrophobic materials that make it ideal for true performance in fi...Click To Read More About This Product

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Headset designed for exercise instructors.

The rugged and durable SM31FH is a cardioid condenser microphone constructed with hydrophobic materials that make it ideal for true performance in fitness instruction applications. The moisture-repellent cartridge housing ensures a long product life by protecting the microphone from the corrosion damage that causes typical fitness instruction headsets to fail. The SM31FH features TA4F 4-pin (TQG) connectors that make it a viable replacement for any Shure wireless headset system.

¢ Wearable wireframe headset with secure, comfortable fit made for fitness and aerobics instructors
¢ Integrated moisture-repelling 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
¢ Available with a wide variety of Shure wireless systems, renowned for their ease of use and reliable performance
¢ 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

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 FCCs wireless microphone website at:

Frequency response: 45Hz to 20kHz
Max SPL: 145 dB
Pattern and type
Capsule: Electret condenser
Pattern: Cardioid
Type: Headset

Primary: Presentation
Secondary: Not applicable
Other: Not applicable

L x W x (D):
Weight: 2.11oz. (60g)
Case: Pouch
Clip: Not applicable

Ideal exercise headset.Order today. Zumba!

Type: Electret Condenser
Frequency Response: 45 to 20,000 Hz
Polar Pattern: Unidirectional (Cardioid)
Output Impedance @ 1 kHz: 600 ?
Audio Output Level: -50 dBV/Pa
Signal-To-Noise Ratio[1] @ 1 kHz: 66 dB
Maximum SPL[1] 1000 ? load, @ 3% THD: 145.0 dB
Dynamic Range[1] @ 1 kHz, 1000 ? load: 117.0 dB
Equivalent Output Noise[1] Typical, A-Weighted: 28 dB
Power Requirements: +5 V DC (nominal), 10 V maximum (DC bias)
Polarity: Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1
Cable: 1.1 m (45 in.)
Connector: TA4F
Net Weight: 60 g (2.11 oz.)
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