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HMDC 27

Article No. 700324

The HMD/E/C 27 professional broadcast headsets are meticulously tailored for commentators and audio engineers who demand the highest levels of audio performance and ergonomic comfort. These closed, circumaural headsets feature ActiveGard© limiting technology to protect your hearing and microphone options like a pre-polarized condenser capsule or a dynamic capsule, depending on your application. At the same time, their lightweight build, soft earpads, and innovative two-piece headband offer pressure-free wear. Furthermore, the HMDC 27 also includes switchable NoiseGard™ technology for operating in the noisiest environments.

The top-of-the-line HMDC 27 professional broadcast headset features optimized comfort and a dynamic microphone that is ideal for commentators and audio engineers working in loud environments. These closed, circumaural headsets feature ActiveGard© limiting technology to protect your hearing. Accurate and linear sound reproduction combines with switchable NoiseGard™ active technology to increase intelligibility while protecting your hearing by actively reducing noise by an additional 15 dB.

Features⁰⁷

Dynamic microphone delivers reliable broadcast quality, even in noisy environments  
Premium comfort with lightweight design and split headband to eliminate pressure points 
Accurate sound reproduction for demanding professional radio and TV applications 
Active NoiseGard™ technology increases intelligibility and reduces noise by an additional 15 dB  
Modular design for using different cables and boom arms  
Flip-away headphone for single-sided listening 
Switchable microphone boom for left- or right-side configuration

Top Specs

Weight (g)approx. 250 g (without cable)
Max. sound pressure level125 dB SPL (ActiveGard off)
Transducer principledynamic, closed (Headphones) | dynamic (Microphone)

Tech Specs

Product

Transducer principle
dynamic, closed (Headphones) | dynamic (Microphone)
Total harmonic distortion (THD)
< 0.1% @ 1 kHz, 100 dB SPL

Frequency Specifications

Frequency response
4 Hz – 21,000 Hz (Headphones) | 40 Hz - 18,000 Hz (Microphone)
Audio frequency response
4 Hz – 21,000 Hz (Headphones) | 40 Hz - 18,000 Hz (Microphone)

Acoustic Properties

ActiveGard®
110 dB SPL @ 1kHz
Max. sound pressure level
125 dB SPL (ActiveGard off)

Ambient Conditions

Temperature range
-15 °C to +55 °C (Operation) | -40 °C to +70 °C (Storage)
Operating temperature (C)
-15 °C to +55 °C (Operation) | -40 °C to +70 °C (Storage)

Electrical Properties