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- HME 27 / HMD 27 Series ATC Headsets
HME 27 / HMD 27 Series ATC Headsets
HME 27 / HMD 27 Series ATC Headsets
The Sennheiser HME/HMD 27 Series headsets are designed for air traffic controllers and C3 users, offering high-quality sound and exceptional comfort. These headsets feature a lightweight design that provides high passive attenuation and comfort for long hours of use. A noise-cancelling microphone enhances voice intelligibility in noisy environments, ensuring clear communication. The closed ear cups improve listening accuracy, and the split two-piece headband alleviates pressure on the head.
Key Features and Benefits
- Sennheiser Voice Clarity: Ensures accurate communication and a natural listening experience.
- Noise-Cancelling Microphone: Reduces ambient noise to improve speech intelligibility and minimize "call-back/read-back" events.
- Two-Channel Stereo Mode: Allows one channel for radio communications and another for telephone communications on dual-sided headsets.
- Sound Protection: Sennheiser ActiveGard® technology protects against acoustic injury from sudden sound bursts without communication drop-out.
- Flexible Microphone Boom: Can be positioned on either the left or right side.
- Comfort: Features a patented two-piece automatic headband and soft circumaural ear pads.
- Customization: Offers a choice of PTT switches and a wide range of cables and connectors.
Technical Specifications
- Headphones: Sound pressure level of 94-100 dB SPL, frequency response of 8-18,000 Hz, and impedance of 300 Ω.
- Microphone: Electret and dynamic types available, with sensitivity adjustable from 17-100 mV/Pa and a frequency response of 100-12,000 Hz.
- General Data: Double-sided headband, closed circumaural ear coupling, and a weight of 240 g (170 g for single-sided).
- Temperature Range: Storage from -55°C to +70°C, operating from -10°C to +55°C.
- Warranty: 2 years.
Packaging and Accessories
- Product packaging dimensions: 200x180x84 mm.
- Package weight: 338 g (261 g for single-sided).
- Accessories include windscreen, cable clip, leatherette ear pads, hygiene pads, headband padding, and a carry case.
Conclusion
The Sennheiser HME/HMD 27 Series headsets are ideal for demanding environments requiring reliable and clear communication, offering advanced features for comfort, sound clarity, and protection.
Catalog excerpts
FACT SHEET Confidence where sound matters Designed for demanding air traffic controllers and C3 users, the Sennheiser HME/HMD 27 Series headsets bring high quality sound to the control room with an exceptional degree of comfort. Its lightweight design succeeds in providing high passive attenuation while remaining comfortable over long hours of use. A noise-cancelling microphone enhances voice intelligibility - even in noisy environments, for confident, clear communication and closed ear cups increase listening accuracy. Sennheiser’s unique, split two-piece headband alleviates pressure on the top of the head for first class comfort and users can choose left or right boom microphone positioning. 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. BENEFITS AND FEATURES - Sennheiser Voice Clarity for accurate communication, provides a natural listening experience - Excellent speech transmission Noisecancelling microphone reduces ambient noise to improve intelligibility and reduce “call-back/read-back” events - Two channel stereo mode possible to use one channel for radio communications and one for telephone communications on dual sided headset - Sound protection from acoustic injury caused by sudden sound bursts on the line with Sennheiser ActiveGard® technology - Single-sided listening with flip away ear cup on dual sided headset - Flexible microphone boom - can be worn on either left or right-hand side - Superb wearing comfort with patented two-piece automatic headband and soft circumaural ear pads - Choice of PTT switches for personal preference - Cable and connector A wide range of cables and connectors for customization
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FACT SHEET Headphones Sound pressure level: dB SPL @ 1 KHz, 0.5 V dB SPL @ 1 KHz, 1 mW dB SPL @ 1 KHz, 1V Max SPL* [dB] 122 ActiveGard off 122 ActiveGard off 122 ActiveGard off 122 122 122 ActiveGard off 110 ActiveGard on 110 ActiveGard on 110 ActiveGard on 110 ActiveGard on THD, total harmonic distortion at 100 dB SPL at 1 kHz Frequency response Impedance * Limited by ActiveGard® Microphone Microphone type Sensitivity / Output voltage Electret Dynamic Dynamic Dynamic Dynamic Electret mV/Pa. Preset = 80 mV/Pa +0/-2 dB, equals 800 mV +0/-2 dB @ 114 dB SPL 0.12 mV/Pa @ 1 kHz 0.5 mV/Pa @ 1 kHz Adjustable...
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FACT SHEET General Data HME 27 ATC/C3 HMD 27 ATC/C3 w. HMD 27 ATC/C3 HMD 27 ATC/C3 HMD 27 ATC/C3 HME 27 S ATC/C3 300 ohm Std Boom w. 5 ohm Mic 5 ohm w/o AG w/o AG Wearing style Headband, Headband, Headband, Headband, Headband, Headband, double-sided double-sided double-sided double-sided double-sided single-sided Ear coupling Closed, circumaural Closed, circumaural Closed, circumaural Closed, circumaural Closed, circumaural Closed, circumaural (around-the-ear) (around-the-ear) (around-the-ear) (around-the-ear) (around-the-ear) (around-the-ear) 2 years 2 years 2 years 2 years 2 years 2 years Packaging...
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FACT SHEET
Open the catalog to page 4All SENNHEISER AVIATION catalogs and technical brochures
COMMAND ATC catalogue14 Pages
2000 Series17 Pages
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SC 230 / 260 ATC Headsets3 Pages
SC 630 / 660 ATC Headsets3 Pages
