This document is applicable to headbands with an additional safety audio input. This audio signal can be transmitted by electrical input or by any other means of communication such as Bluetooth (Bluetooth is the commercial name of a product supplied p
NF S78-501-6*NF EN 352-6:2020 history
2020NF S78-501-6*NF EN 352-6:2020 Hearing protectors - Safety requirements - Part 6 : earmuffs with safety-related audio input