EN 50332-1:2013
音响系统设备:与便携音响设备相应的耳机和头戴式耳机.最大声音压力水平测量方法和限制考虑.第1部分:单一包装设备的一般方法
Sound system equipment: Headphones and earphones associated with personal music players - Maximum sound pressure level measurement methodology - Part 1: General method for "one package equipment"