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2、可以从塑料腔体上做多次不规则的反射以及简单的声音吸收,降低声音在金属腔体内的谐振及共振，使声波得到更好的传导,金属材质,1.耳机材料的探讨,两种材质耳机对比结果：,铝合金更因其造型的可呈规则型多变性， 能更好地配合腔体设 计，达到塑料腔体所不能达到的解析力和清晰度。,多次不规则的反射和吸收可以对声音做出尽可能的修饰，一个好的成熟的塑料腔体对声音是有很强的提升作用，能让本身素质很一般的耳塞单元发出更好的声音。,金属材质,塑料材质,1.耳机材料的探讨,TPC（电解铜）：纯度为99.5% OFC（无氧铜）：纯度为99.995% LC-OFC（线形结晶无氧铜或结晶无氧铜）：纯度在99.995%以上 O
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