Sennheiser HMD 46-31-II Air Traffic Control Headset (Double-Sided without ActiveGard)

Sennheiser HMD 46-31-II Air Traffic Control Headset (Double-Sided without ActiveGard)

Sennheiser HMD 46-31-II Air Traffic Control Headset (Double-Sided without ActiveGard)

B&H # SEHMD4631II MFR # HMD 46-31-II
Sennheiser HMD 46-31-II Air Traffic Control Headset (Double-Sided without ActiveGard)

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Product Highlights

  • For Air Traffic Control Communications
  • For C3 Applications
  • Accurate Voice Clarity
  • Noise-Cancellation Microphone
  • Reduces Ambient Noise
  • Two-Channel Stereo Communications
  • Optional Accessories for Customization
  • Two-Piece Headband for Comfort
  • Contact Pressure: 2.7 N
  • Includes Cable Clip and Pop/Wind Screen
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Sennheiser HMD 46-31-II Overview

  • 1Description

The double-sided Sennheiser HMD 46-31-II is a lightweight and comfortable headset designed specifically for air traffic control communication and C3 (Command, Control, and Communication) applications. The flip-away noise cancelling microphone delivers highly intelligible speech by filtering out ambient noise to ensure effective communication.

Building upon the success of the original 46-Series headsets, the MKII no longer have to conform to the requirements of aircraft cockpit-grade headband caliper pressure, resulting in a more comfortable headset for extended wear. The patented two-piece headband and soft earpads offer a personalized fit that also helps to reduce wearing fatigue. The Sennheiser HMD 46-31-II is compatible with a wide variety of optional accessories and ships with a cable clip and a wind/pop screen.

  • Sennheiser Voice Clarity: provides accurate communication and high-quality voice transmission and reception
  • High-quality speech transmission: noise-cancelling microphone filters out ambient noise for optimum speech clarity to reduce "call-back/read-back" events
  • Fits most applications: Dynamic, BMD-46-413 microphone with double-sided earcup
  • Two-channel stereo application for multichannel communications
  • Easy to change cables can be simply replaced
  • Remarkable wearing comfort with patented two-piece split headband and soft ear pads
  • Choice of PTT switches for personal preference
  • Cable and connectors: a wide range of optional cables and connectors are available for customization
In the Box
Sennheiser HMD 46-31-II Air Traffic Control Headset (Double-Sided without ActiveGard)
  • Cable Clip
  • Wind and Pop Screen
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    Sennheiser HMD 46-31-II Specs

    Headphones
    Sound Pressure Level dB SPL @ 1 kHz, 0.5 V: 97 dB
    dB SPL @ 1 kHz, 1 mW: 95 dB
    dB SPL @ 1 kHz, 1V: 103 dB
    Max SPL: 110 dB
    THD < 1% at 95 dB SPL (300 Hz to 3 kHz)
    Frequency Response 20 Hz to 14 kHz
    Impedance 300 Ohms
    Microphone
    Microphone Type Dynamic, BMD-46-413
    Sensitivity -66 dB re 1V, ±3 dB
    Pickup Pattern Noise-cancelling, unidirectional
    Supply Voltage N/A
    Frequency Response 100 Hz to 12 kHz
    Output Voltage 0.5 mV/Pa
    Impedance 200 Ohms
    Recommended Load Impedance N/A
    General
    Color Black
    Wearing Style Headband, double-sided
    Contact Pressure 2.7 N
    Ear Coupling Supra-aural (on ear)
    Temperature Storage: -67 to 158°F / -55 to 70°C
    Operating: 5 to 131°F / -15 to 55°C
    Dimensions Not specified by manufacturer
    Weight 5.3 oz / 150.0 g

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