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.
Features
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
Lightweight and low-profile form factors help avoid fatigue during high-impact use
Tailored frequency response refined for crisp and clear vocal reproduction
Specifications
Microphone
| Sound Field | Mono |
| Capsule | Electret Condenser |
| Polar Pattern | Cardioid |
| 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
| Cable Length | 45″ / 1.1Â m |
Power
| Operating Voltage | 5 to 10 V |
Physical
| Color | Black |
| Mounting | Over-Ear (Double/Neckband) |
| Weight | 2.11Â oz / 60Â g |
Packaging Info
| Package Weight | 0.5 lb |
| Box Dimensions (LxWxH) | 7.8 x 6.35 x 3.05″ |
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