Hearing protectors. General requirements Part 8:
Entertainment audio ear-muffs
This standard requires all of the testing specified in EN 352-1 with the additional clause below tested on additional samples.
Maximum sound pressure levels generated by entertainment audio
The maximum sound output levels of the device are measured using miniature microphones placed into the ear canals of human test subjects. The mean value of 16 measurements plus one standard deviation shall not exceed 82dB(A).