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A lightweight split, supraural headphone combined with a supercardioid dynamic microphone. The HMD 25-1 headset features dynamic, closed headphones giving excellent attenuation of background noise, and an MD 414 super-cardioid close contact dynamic microphone. It has been designed specifically for use in noisy environments.
Microphone can be worn on either left or right-hand side
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Headphone: Transducer Principle: Dynamic Ear Coupling: Supra-Aural, Closed Frequency Response: 20 Hz - 16 kHz Characteristic SPL: 102 dB ± 2 dB at 1 kHz, 1 mW Nominal Impedance: 600 Ohms Per Side Load Rating: 200 mW THD: Less Than 1 % Contact Pressure: Approximately 3.3 N