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BS EN 50332-2:2003

Действует
Sound system equipment. Headphones and earphones associated with portable audio equipment. Maximum sound pressure level measurement methodology and limit considerations. Matching of sets with headphones if either or both are offered separately — 10 стр.
ICS
33.160.50 Auxiliaries. Including headphones, loudspeakers, microphones, etc. / Вспомогательные устройства. Включая наушники, громкоговорители, микрофоны и т.д.
17.140.50 Electroacoustics. Including sound level meters / Электроакустика. Включая слуховые аппараты и шумомеры