Sennheiser HMDC 27
Professional Broadcast Headset

Latest User Reviews
Sennheiser HMDC 27
I recently purchased the Sennheiser HMDC 27 headphones and I must say, I am extremely impressed with their performance. The sound quality is exceptional,
with crystal clear clarity and a well-balanced frequency response. The noise-cancelling feature works wonders in blocking out external noise, even in loud environments
The build quality of these headphones is also top-notch, with a sturdy and durable design that feels like it can withstand daily use. The comfort level is also
noteworthy, with soft earpads and a comfortable headband that doesn't cause discomfort even after extended use.
JUST a challenge for free ear to have some noise
Overall, I am very satisfied with my purchase of the Sennheiser HMDC 27 headphones and would highly recommend them to anyone in need of high-quality
headphones for professional use. They are definitely worth the investment!
Great Headset
Great headset that can be worn for hours, excellent sound quality
Excellent XLR headset
The HMDC 27 is an excellent product; although quite expensive, the amazing cardioid mic quality in any type of environment allows you to use it everywhere. Living in a quite noisy apartment due to poorly soundproofed windows, the closed over-ear headphones greatly reduced this inconvenience, and people listening to me could barely hear cars any more (just slight background noise, barely noticeable).
However, I had to remove one star for the headphones sound. You should not expect audiophile levels of listening with this product. Although all levels are very clear (especially the bass), I had to play with my mixer a little bit to have both ears at the same level -left ear was a bit too low. This issue is probably due to the mic and cable being on the left side as well, causing it to be a bit unbalanced.
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HMD 27 VS HMDC 27:
HMDC version comes with XLR & jack cable, HMD does NOT. HMDC also has an additional noise cancel switch that can be useful. If you do not already own cables, get the HMDC version.
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Overall, excellent product for the price tag, would definitely recommend for broadcasters, radio hosts or streamers.
Technical Data
- Manufactured by Sennheiser
- Released in 2016
- Average price : $645
- Circumaural
- Closed back design
- Noise compensation (Noise-, Gard): the NoiseGard electronics reduce noise by an additional 15 dB in addition to the passive attenuation of the closed design
- No batteries required: power supply via microphone bias voltage from the commentator unit (P12-P48 according to DIN_EN 61938)
- Two-part split headband (for conventional wearing comfort, a wide head pad is additionally included to hold the headband together)
- One-sided listening is possible due to swivelling earpiece side
- Swivelling microphone can be worn on right or left side
- ActiveGard limiter can be activated and protects against sudden level peaks > 110 dB
- Impedance: 600/200 Ohm (ANR on/off)
- Max. sound pressure level: 128 dB SPL at 1 kHz
- Frequency response: 8 - 18000 Hz
- Microphone: Type BMD 434 (hypercardioid, impedance: 300 Ohm, audio frequency range: 40 - 18000 Hz)
- Field transmission factor 0.5 mV/Pa @ 1 kHz
- Weight : 240g
- Includes Cable II-X3K1, wind and pop protection and cable clamp
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