Product Description

The SM31FH Fitness Headset Condenser Microphone from Shure is a cardioid condenser headset microphone designed to be used by fitness and aerobics instructors. It has integrated moisture-repelling hydrophobic fabric that helps protect the microphone capsule from sweat and humidity. A windscreen is included.

Wearable wireframe headset designed for a 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
Compatible with Shure wireless bodypack systems for direct replacement of TA4F-connected microphones  We can also modify this for other brands of bodypacks.
Lightweight and low-profile form factors help avoid fatigue during high-impact use.
Tailored frequency response refined for crisp and clear vocal reproduction.

Shure SM31FH Specs

Microphone
Form Factor Headworn
Sound Field Mono
Capsule Electret Condenser
Polar Pattern Cardioid
Circuitry Solid-State
Pad None
High-Pass Filter None
Windscreen Foam (Included)
Performance
Frequency Range 45 Hz to 20 kHz
Maximum SPL 145 dB SPL (1 kHz, 1-Kilohm Load)
Impedance 600 Ohms at 1 kHz
Output Level -50 dBV/Pa
Dynamic Range 117 dB (1 kHz, 1-Kilohm Load)
Signal-to-Noise Ratio 66 dB (1 kHz)
Equivalent Noise Level 28 dB A-Weighted (Typical)
Connectivity
Output Connectors 1 x TA4F 4-Pin Female
Cable Length 45" / 1.1 m
Power
Operating Voltage 5 to 10 V
Physical
Color Black
Mounting Over-Ear (Double/Neckband)
Weight 2.11 oz / 60 g
Packaging Info
Package Weight 0.5 lb
Box Dimensions (LxWxH) 7.8 x 6.35 x 3.05"

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