Shure SM31FH-QG Fitness Headset Condenser Microphone – Moisture-Resistant Cardioid Headworn Mic with TA4F Connector
 

The Shure SM31FH-QG Fitness Headset Condenser Microphone is specially designed for fitness instructors, aerobics trainers, and high-energy presenters. Built with hydrophobic moisture-repelling construction, it ensures reliable performance in humid and sweaty environments where traditional microphones can corrode.

Its cardioid pickup pattern delivers clear and focused vocal reproduction, rejecting unwanted noise while the lightweight wireframe headset provides a secure, comfortable fit during movement. The flexible gooseneck allows precise microphone positioning for maximum isolation, while the included windscreen reduces plosive and breath noise. Compatible with all Shure wireless bodypack systems using the TA4F connector, the SM31FH-QG is the rugged solution for professional fitness audio.

 

Key Features

• Fitness-ready cardioid condenser headset mic

• Hydrophobic moisture-repelling fabric protects against sweat & corrosion

• Cardioid polar pattern isolates voice and rejects ambient noise

• Lightweight wireframe headset for secure and comfortable fit

• Flexible gooseneck for precise positioning

• Included windscreen reduces breath & wind noise

• Compatible with Shure wireless bodypacks (TA4F connector)

• Tailored frequency response for crisp, clear vocals

• Built with legendary Shure durability for long-term use
   

  Technical Specifications

• Weight: 60 g (0.132 lbs)

• Transducer Type: Condenser

• Polar Pattern: Cardioid

• Frequency Response: 45 Hz – 20 kHz

• Sensitivity: –50 dBV/Pa (3.16 mV/Pa)

• Equivalent Self-Noise: 28 dB(A)

• Max SPL: 145 dB

• Impedance: 600 Ω

• Low Cut Switch: No

• Attenuation Pad: No

• Interchangeable Capsule: No

• Connector: TA4F (TQG 4-pin mini)

• Power Requirement: 5 V DC bias (from wireless bodypack)

• Cable Length: 1.1 m (45 in)
  
   

  Product Size & Weight

• Net Weight (Mic only): 60 g (0.132 lbs)

• Headset Type: Lightweight wireframe with elastic headband

• Cable Length: 1.1 m (45 in), attached with TA4F connector

• Boom Arm: Flexible gooseneck design

• Shipping Weight (with packaging): ~0.3 – 0.4 kg

• Packaging Dimensions (approx.): 22 × 18 × 9 c