zxzxzxzx 发表于 2015-9-22 15:44:13

EN50332-2

本帖最后由 zxzxzxzx 于 2015-9-22 15:46 编辑

EN50332-2:Sound system equipment: Headphones and earphones associated with portable audio equipment - Maximum sound pressure level measurement methodology and limit considerations - Part 2: Matching of sets with headphones if either or both are offered separately“

admin 发表于 2015-9-22 17:03:35

谢谢您的分享,金币已奖励!

ygs67 发表于 2015-11-26 12:48:06

哪年的版本？楼主怎么不说明一下呢？

爱收了又给 发表于 2016-3-11 16:07:07

查看了一下，是2003版本的，不过仍然感谢分享
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