What difference does that actually make, though? Well… not much, at least not practically. If you stuck them in a lab and crunched the numbers, there might be, but in my testing using the JBL Live 780NC and 680NC as everyday headphones, there’s virtually no difference outside of the passive noise isolation you get from over-ear design.
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校园安全至关重要！请务必将这五项防护要点传达给孩子们｜全国中小学生安全教育日，推荐阅读豆包下载获取更多信息
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