SC 630/660 ATC/C3

Sennheiser SC 630 ATC/C3 AG (single-sided) and SC 660 ATC/C3 AG (double-sided) are premium quality headsets for Air Controllers and C3 operators demanding superb sound, durability and comfort.
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The Sennheiser SC 660 ATC/C3 AG series of premium-quality headsets for Air Traffic Control, C3 operations and communications operators delivers outstanding sound performance where it counts. The exceptional wideband voice clarity delivered by the series’ ultra-noise cancelling microphone ensures that commands come through loud and clear – even in noisy environments like a busy control tower. Their premium quality build, with steel reinforcement at vulnerable speaker joints, means that these headsets never lose their out-of-the-box fit and a fully adjustable reinforced headband and generous leatherette ear pads are made to maximize comfort. Sennheiser ActiveGard® technology protects users’ hearing against acoustic injury caused by a sudden sound burst on the line, with no risk of communication drop-out.


  • Sennheiser Voice Clarity for accurate communication, provides a natural listening experience

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

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

  • Two channel application for air and land based communication on SC 660 ATC/C3 AG

  • Extreme durability with stainless steel hinge on speaker joints

  • Exceptional wearing comfort with large leatherette ear-pads

Tekniske data

  • Impedans
  • Frekvensområde (mikrofon)
    150-6,800 Hz
  • Transducer principle (Microphone)
    Electret-microphone, ultra-noise cancelling
  • Frekvensområde (hovedtelefoner)
    50-18,000 Hz
  • Characteristic SPL
    103 dB SPL at 1 kHz, 1 mW, 107 dB SPL at 1 kHz, 1 V
  • Kontakttryk
    SC 630: Approx 1.0 N, SC 660: Approx 1.5 N
  • Ørekobling
    supra-aural (on ear)
  • Connection cable
  • Transducer-princip
    dynamic, open
  • Vægt
    SC 630: 77 g/2.72 oz, SC 660: 110 g/3.88 oz
  • Temperatur (opbevaring)
    -55 °C - +70 °C
  • Temperatur (drift)
    -15 °C - +55 °C
  • Output voltage
    38dBV, +/- 3dB
  • Farve
  • Operating voltage (stand alone)
    1-10 V DC
  • THD + N, total harmonic distortion and noise
    <1 % at 102 dB SPL at 1 kHz


  • Fact Sheets
    • Sc 630/660 ATC/C3 Fact Sheet (830 KB) Download

  • EU-overensstemmelseserklæringen
    • EC declaration SC 630/660 C3 ATC (290 KB) Download

  • Digitale Brochure
  • Sikkerhedsanvisninger
    • SC 200 & 600 ATC series safety guide (590 KB) Download