Sound system equipment: Headphones and earphones associated with personal music players. Maximum sound pressure level measurement methodology. Matching of sets with headphones if either or both are offered separately, or are offered as one package equipment but with standardised connectors between the two allowing to combine components of different manufacturers or different design— 12 стр.
Electromagnetic compatibility. Product family standard for audio, video, audio-visual and entertainment lighting control apparatus for professional use. Emissions— 32 стр.
