Sennheiser HMD 46-31-II, Audio headset (supercardioid, dynamic), 300 Ω per system, cable not included

Descriptions

Sennheiser HMD 46-31-II, Audio headset (supercardioid, dynamic), 300 Ω per system, cable not included

The Sennheiser HMD 46-31-II Series is a very lightweight and extremely comfortable headsets. Sennheiser HMD 46-31-II is designed specifically for all air traffic control communication and C3 operators requiring excellent sound and long-term wearing comfort. Also, the Sennheiser HMD 46-31-II is a noise cancelling microphone that can delivers an optimum speech clarity for reduced call-back/read back" events. HMD 46-31-II headset can be operated in two channel mode. Soft acoustic foam ear pads and patented two-piece automatic headband deliver first class comfort with a perfect, secure fit. A flip away headphone allows for single-sided listening and a reinforced flexible microphone boom allows for left or right sided use. Another thing in Sennheiser HMD 46-31-II it has Sennheiser ActiveGard technology that protects users hearing against acoustic injury caused by a sudden sound burst on the line, without interrupting communications - an added safety feature that differs from traditional acoustic shock clipping circuitry. The HMD 46-31-II headset features a dynamic microphone and has a double-sided without ActiveGard®)

Product Highlights of the Sennheiser HMD 46-31-II

• Sennheiser Voice Clarity for accurate communication, provides excellent voice transmission and reception

• Perfect speech transmission Noise-cancelling microphone filters out ambient noise for optimum speech clarity to reduce “call-back/read-back” events

• Fits every application with a choice of electret/dynamic microphone, and single sided or dual sided earcup model

• Two channel stereo application for multi-channel communication

• Sound protection from acoustic injury caused by sudden sound bursts on the line with Sennheiser ActiveGard® technology

• Color

  black 

• Impedance

  300Ω 

• Frequency response (Microphone)

  100 - 12,000 Hz 

• • Transducer principle (Microphone)

    Dynamic, noise cancelling, uni-directional 

  • Frequency response (Headphones)

    20 - 14,000 Hz 

  • Microphone

    Load resistance 150 - 2,200 Ohm 

  • THD, total harmonic distortion

    < 1 % at 95 dB SPL (300 - 3,000 Hz) 

  • Contact pressure

    2.7 N 

  • Ear coupling

    Supra-aural (on ear) 

  • Weight

    150 g /5.29 oz 

  • Storage temperature

    -55 °C - +70 °C 

  • Operating temperature

    -15 °C - +55 °C 

  • SPL for peak deviation

    95 dB (1 kHz, 1 mW)