The HMD 46 broadcast headset excels at intercom applications and ensures reliable communication and all-day comfort. A noise-canceling dynamic microphone enhances intelligibility to elevate your communication experience, while stereo earphones reproduce clear audio from 16 Hz to 20 kHz. Supplied without cable for personalized customizing.Main Features:Noise-compensated dynamic microphone offers durable and reliable performancePatented two-piece automatic headband for easy adjustmentLightweight design with soft ear pads for hours of comfortable useFlip-away headphone allows for single-sided listeningFlexible microphone boom for left- or right-side configurationSingle-sided cable for easy exchangingSpecifications:Transducer principle: dynamic, open (Headphones) | dynamic (Microphone)Total harmonic distortion (THD): < 0.1% @ 1 kHz, 100 dB SPLFrequency response: 16 Hz - 20,000 Hz (Headphones) | 40 Hz - 18,000 Hz (Microphone)Max. sound pressure level: 123 dB SPLTemperature range: -15 C to +55 C (Operation) | -40 C to + 70 C (Storage)Impedance: 200 O (Headphones) | 300 Q (Microphone)Output voltage: 0.5 mV/Pa @ 1 kHzWeight (g): approx. 150 g (without