Sennheiser HMD 27 — Closed Circumaural Broadcast Headset
HMD 27 Overview
The Sennheiser HMD 27 is a professional closed circumaural broadcast headset designed for demanding on-air, outside broadcast, and production environments where reliable audio monitoring and clear voice pickup are critical. The closed circumaural ear cup design provides effective isolation from ambient noise, making it well-suited for noisy broadcast floors, commentary positions, and live event production. Built to Sennheiser’s broadcast-grade standards, the HMD 27 is intended for broadcast engineers, commentary teams, production staff, and system integrators specifying headset solutions for professional facilities and mobile broadcast units.
The headset combines a monitoring transducer with an integrated microphone element, delivering a single-unit solution that streamlines cabling and simplifies operator workflow in time-sensitive broadcast environments.
Key Features
- Closed Circumaural Design — Full ear-cup enclosure provides passive ambient noise isolation, keeping monitoring audio clear in high-SPL broadcast and live production environments
- Integrated Broadcast Microphone — Combined headset and microphone element in a single unit reduces cable management complexity at commentary and production positions
- Broadcast-Grade Construction — Built to Sennheiser’s professional broadcast standards for durability and reliability in continuous-use facility and mobile production applications
- Circumaural Ear Cushions — Over-ear fit designed for extended wear comfort during long broadcast sessions and live events
- Professional Headband — Adjustable headband accommodates a range of operators without tool-based adjustment, supporting shared-use broadcast environments

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