Audio-Technica ATH-CKS55XIS Wired Earphones于 2013 年 9 月 27 日首次发布。此版本的Audio-Technica ATH-CKS55XIS Wired Earphones具有 12.5 驱动器尺寸、18 欧姆阻抗、100 dB 灵敏度和 5Hz-24,000Hz 频率响应，提供更清晰、更锐利的声学体验。
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