最大声压标准 50332-2

国际标准。个人音乐播放器耳机最大声压标准，第二部分，分体设备。 Sound system equipment: Headphones and earphones associated with personal music players — Maximum sound pressure level measurement methodology Part 2: 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