Shure SM31FH-TQG Fitness Headworn Microphone

The moisture resistant SM31FH adds hydrophobic materials to the industry-standard, road-tested Shure SM family in a rugged and durable cardioid condenser microphone. 

TA4F 4-pin connectors make it a viable replacement for any existing Shure wireless headset system and some others.

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 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 (and some others) for direct replacement of TA4F-connected microphones 
• Available with a wide range of Shure wireless systems, renowned for ease of use and reliable performance 
• Included windscreen tames plosive, breath and wind noises for clean and intelligible sound 
• Tailored frequency response refined for crisp and clear vocal reproduction 
• Legendary Shure precision engineering for durability and performance

Specifications :

• Transducer Type : Condenser 
• Polar Pattern : Cardioid 
• Frequency Response : 45 Hz ~ 20 KHz 
• Sensitivity (dBV/Pa) : -50 dBV/Pa 
• Weight : 60 g
• Output Impedance : 600 Ω @ 1 kHz 
• Signal-To-Noise Ratio : 66 dB @ 1 kHz 
• Maximum SPL : 145.0 dB 1000 Ω load, @ 1% THD 
• Dynamic Range : 117.0 dB @ 1 kHz, 1000 Ω load 
• Equivalent Output Noise : 28 dB Typical, A-Weighted 
• 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
• Connector : TA4F