Manual of product HMD 27
Editorial note
The Sennheiser HMD 27 stands out for its ergonomic design and lightweight of 240 g, providing optimal comfort for prolonged use, particularly suited for offices and call centers. Its closed acoustic system, combined with noise-canceling technology, ensures total sound immersion while effectively reducing surrounding distractions. Additionally, its wide frequency range of 8 to 18,000 Hz and sensitivity of 112 dB allow for rich and clear audio reproduction, ideal for audiophiles. However, the headset has some drawbacks. The lack of Bluetooth connectivity limits its use with wireless devices, which may be a downside for some users. Although the weight of 240 g is reasonable, it can become uncomfortable during prolonged use, especially for those who wear headsets for long hours. Furthermore, the binaural design may not suit everyone, with some preferring over-ear models for better ventilation and comfort. Finally, the HMD 27 is primarily designed for office use, making its use in other environments, such as sports or commuting, less optimal. Overall, the Sennheiser HMD 27 is an excellent choice for professional use, but it is important to consider its limitations in terms of connectivity and comfort for extended listening sessions.Score details
User experience
The ergonomic design and lightweight of 240 g provide optimal comfort for prolonged use, ideal for offices and call centers.
Performance
The closed acoustic system and noise-canceling technology allow for total sound immersion and effective reduction of surrounding distractions.
Features
The wide frequency range of 8 to 18,000 Hz and a sensitivity of 112 dB ensure rich and clear audio reproduction, perfect for audiophiles.
Robustness
Sturdy and designed for extreme conditions, with an operating temperature of -15 to 55 °C, making it suitable for various work environments.
connectivity
The wired connectivity is stable, but the lack of Bluetooth limits its use with wireless devices, making the experience less convenient for some users.
Usability
The weight of 240 g can become uncomfortable during prolonged use, especially for those who wear headphones for long hours.
Advantages
Lightweight and ergonomic design for prolonged comfort
Closed acoustic system with noise cancellation
Frequency range of 8 to 18,000 Hz
Robust for extreme conditions
Stable and reliable wired connection
Disadvantages
No Bluetooth connectivity.
Can become heavy after prolonged use.
Binaural design not suitable for everyone.
Absence of 2.5 mm connector.
Not ideal for sports or travel.
Technical Specifications HMD 27
General Information
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ModelHMD 27
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Brand
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Category
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Type
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SKU1766744
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MPN1766744
Representation / realization
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Recommended useOffice/Call Center
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Portable headset styleArch
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Type of headsetBinaural
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Product colorBlack
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Sound pressure level (max)128 dB
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Product typeHeadset
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Country of originGermany
Environmental conditions
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Operating temperature-15 - 55 °C
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Temperature out of operation-55 - 70 °C
Connectivity
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3.5 mm connector-
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USB Connectivity-
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Connectivity technologyWith wire
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BluetoothNo
Other features
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2.5 mm connector-
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Open circuit voltage0.5 mV/Pa
Headphones/Earphones
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Ear couplingCircum-aural
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Acoustic systemClosed
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Headphone frequency8 - 18000 Hz
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Impedance64 Ohm
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Headset sensitivity112 dB
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Driver typeDynamic
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DHT, total harmonic distortion0.1 %
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Noise reductionYes
Microphone
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Noise-cancelling microphone-
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Microphone frequency40 - 18000 Hz
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Input impedance of the microphone300 Ohm
Packaging contents
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Quick Start GuideYes
Weight and dimensions
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Weight240 g
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Depth- mm
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Depth- mm
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Depth- mm
Logistics data
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Height of the main locker (external)238 mm
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Width of the main locker (external)394 mm
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Gross weight of the main locker (external)4942 g
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Length of the main locker (external)574 mm
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Product by main locker (external)12 piece(s)
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Gross weight of the shipping crate (internal)351 g
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Harmonized System Code85183000
Packaging information
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Package depth200 mm
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Package height84 mm
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Package width180 mm
Frequently Asked Questions
What is the weight of the Sennheiser HMD 27?
What is the height of the Sennheiser HMD 27?
What is the width of the Sennheiser HMD 27?
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Is the manual for the Sennheiser HMD 27 available in French?
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Presentation of product HMD 27 specifications from brand Sennheiser
General Information
The Sennheiser HMD 27 is a headset from the Sennheiser brand, known for its excellence and innovation in the audio field. This model, identified by the code HMD 27 | 506902, is designed to provide optimal performance and an enhanced user experience. The associated EAN code, 0615104272217, allows for unique identification in the distribution system.
Recommended Use
This headset is particularly suitable for use in office or call center. It easily connects to a PC or laptop. The binaural headphones of the Sennheiser HMD 27 offer high-quality sound immersion while ensuring optimal comfort during prolonged use. Black in color, it stands out with its modern and elegant design. With a maximum sound pressure level of 128 dB, it ensures a pleasant listening experience without compromising auditory comfort. Made in Germany, this model highlights the brand's reputation for quality and authenticity.
Environmental Conditions
The Sennheiser HMD 27 is designed to operate within a wide temperature range of -15 to 55 °C, ensuring reliable use in various work environments. Outside of these ranges, it can withstand temperatures from -55 to 70 °C, making it robust against extreme conditions.
Connectivity
This model uses wired connectivity, providing a stable connection without the constraints of batteries. It features a standard 3.5 mm connector for compatibility with many devices. However, it does not offer USB connectivity or Bluetooth, which may limit its use with wireless devices.
Audio Features
The Sennheiser HMD 27 incorporates a closed acoustic system, ensuring effective sound isolation and total immersion. Its wide frequency range of 8 to 18,000 Hz and sensitivity of 112 dB guarantee rich and clear audio reproduction, ideal for audiophiles. With an impedance of 64 Ohm and a total harmonic distortion of 0.1 %, it offers exceptional sound quality. Additionally, it is equipped with a noise cancellation feature, allowing for the minimization of external distractions.
Microphone
The microphone of the Sennheiser HMD 27 has a frequency range of 40 to 18,000 Hz and an input impedance of 300 Ohm, ensuring optimal sound quality for communications. It is also designed to effectively reduce surrounding noise.
Packaging Contents
The product comes with a quick start guide, facilitating its initial setup and use.
Weight and Dimensions
The Sennheiser HMD 27 weighs 240 g, a weight that contributes to its comfort during prolonged use. Its specific dimensions are not indicated, but they are designed for optimal integration into various work environments.
Logistical Data
The dimensions of the main external case are 238 mm in height, 394 mm in width, and 574 mm in length, with a gross weight of 4942 g. The product is packaged in 12 pieces per case, facilitating stock management and logistics.
Packaging Information
The package of the Sennheiser HMD 27 has a depth of 200 mm, a height of 84 mm, and a width of 180 mm, ensuring secure transport and storage.
