SHURE SM31FH-TQG หูฟัง Wireless headset microphone featuring moisture-repelling hydrophobic construction for use in fitness instruction.

The Shure 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. 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 intelligible sound
- Tailored frequency response refined for crisp and clear vocal reproduction
- Legendary Shure precision engineering for durability and performance 

Specs.

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)
- 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.)

Dimensions and Weight in Packaging

Base Item

Shipping Weight: 1 lbs

Shipping Dimensions: 8 x 6 x 3 in