本文件适用于配有安全相关音频输入的耳塞。音频信号 可以通过电输入或蓝牙等其他通信方式传输。它规定了要求 关于施工、设计、性能、标记和用户信息，包括 安全相关音频输入。 带有安全相关音频输入的耳塞用于提供语音信息和警告 信号，同时提供外部声音的衰减。它们可以被选择用于许多领域 不同的环境，例如空中交通通信、警察部队和 广播和娱乐业。 购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document is applicable to earplugs supplemented by a safety-related audio input. The audio signal can be transmitted by electrical input or other communication like Bluetooth1. It specifies requirements on construction, design, performance, marking and user information related to the inclusion of the safety-related audio input. Earplugs with safety-related audio input are designed to provide speech information and warning signals, while providing attenuation of external sound. They may be selected for use in a number of different environments, for example in air traffic communication, in the police forces, in the broadcasting and entertainment industries.All current amendments available at time of purchase are included with the purchase of this document.