BS EN 50332-2-2013音响系统设备.与便携音频设备相应的耳机和头戴式耳机.最大声压级测量方法和限值考虑.单独提供或同时提供时头戴式耳机设置的匹配
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 BS EN 50332-2-2013.rar(930.61 KB, 下载次数: 0)