Applies to headphones and headsets intended to be used on the human ear. Standardizes the designation and description of headphones, and lists characteristics to be specified, with the relevant methods of measurement.
33.160.50 Auxiliaries. Including headphones, loudspeakers, microphones, etc. / Вспомогательные устройства. Включая наушники, громкоговорители, микрофоны и т.д.
