The HME 46/C3 is a very lightweight and comfortable open boomset. It is ideal for air traffic control. The headset is equipped with ActiveGard®, which protects controllers from the effects of an acoustic burst.

  • Very lightweight

  • Superb wearing comfort due to patented two-piece automatic headband and soft ear pads

  • Also available with PTT

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Sennheiser HME 110 ATC/C3 are double-sided headsets offering superior passive attenuation for air traffic controllers or C3 operators in particularly noisy environments. A noise-cancelling microphone ensures excellent speech intelligibility and adjustable sensitivity. The lightweight design, soft ear pads and cushioned headband provide excellent comfort even during long sessions. Switchable from mono to stereo for dual communication sources, it has an integrated volume control on the head cup. The microphone can easily be repositioned to the left or right side via flexible boom arm with quick-fix feature for accurate placement.

  • Sennheiser Voice Clarity for accurate communication, provides a natural listening experience
  • Excellent speech transmission Noise-cancelling microphone reduces ambient noise to improve intelligibility and reduce “call-back/read-back” events
  • Noise reduction with closed ear cups offering passive attenuation to 40 dB
  • Quick volume adjustment with built in volume control on ear cup. Cab be disabled if needed
  • Extremely light weight
  • Superb wearing comfort due to patented two-piece automatic headband and soft ear pads
  • Flip-away headphone allows single-sided listening
  • Flexible microphone boom, can be worn on either left or right-hand side
  • Noise-compensated condensor microphone ensures excellent speech transmission
  • Single-sided cable, length 1.85 m, easy to exchange
  • Also available with PTT
  • ActiveGard safeguards the user from the effects of an acoustic burst



  • Color: black
  • Frequency response (Microphone): 100 – 5,000 Hz
  • Transducer principle (Microphone): Electret-microphone, noise-compensated – BKE 46
  • Frequency response (Headphones): 45 – 15,000 Hz
  • Characteristic SPL: 90 dB SPL (1 kHz, 1 mW) / 98 dB SPL (1 kHz, 1 V)
  • Contact pressure: 3 N
  • Connection cable: single-sided round cable, length 1.85 m, open ends
  • Transducer principle: dynamic, open
  • Weight: w/o cable: 447 g
  • Min. terminating impedance: 150 – 2,200 Ohm
  • Storage temperature: -55 °C… +70 °C
  • Operating temperature: -15 °C… +55 °C
  • Output voltage: 400 mV at 114 dB SPL, 80 mV/PA (adjustable from 17 to 100 mV/Pa)
  • Operating voltage (stand alone): 8 – 16 VDC


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