本文件规定了耳罩的结构、设计、性能、标记和用户信息的要求。 特别是，它规定了有关 耳罩，根据EN ISO 4869-1:2018测量。 本标准规定的耳机尺寸范围不适用于本标准。 本文件不适用于耳罩 用于连接头部保护装置和/或面部保护装置。 在需求范围内，通过考虑用户、设备和位置之间的交互作用来解决人体工程学方面的问题 可能设备可能使用的工作环境（见附录ZA和EN 458）。

This document specifies requirements for construction, design, performance, marking and user information for earmuffs. In particular, it specifies requirements regarding the sound attenuation of the earmuffs, measured in accordance with EN ISO 4869-1:2018. The document does not apply to earmuffs outside the size range of headsizes as defined in this standard. This document does not apply to earmuffs for attachment to head protection and/or face protection devices. Ergonomic aspects are addressed by taking into account, within the requirements, the interaction between the user, the device and where possible the working environment in which the device is likely to be used (see Annex ZA and EN 458).