aux就是附加，没人规定在哪吧？5W40既然没有数字源，功放前噪音最小。不过加了有啥用呢？

来源: chinomango 于 2014-12-19 12:03:25 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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