Audio-Technica ATH-CKF77IS Wired Earphones于 2013 年 9 月 4 日首次发布。优雅的棕色设计，重量为 2.50g，线长为 1m，使Audio-Technica ATH-CKF77IS Wired Earphones和耳机舒适。此版本Audio-Technica ATH-CKF77IS Wired Earphones具有 8.5 驱动器尺寸、16 欧姆阻抗、104 dB 灵敏度和 20Hz-23,000Hz 的频率响应，提供更清晰、更锐利的声学体验。
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