Panasonic RP-HJX20 Wired Earphones于 2016 年 2 月 12 日首次发布。优雅的黑色设计，重量 9.00g，线长 1.2m，使Panasonic RP-HJX20 Wired Earphones和耳机舒适。此版本Panasonic RP-HJX20 Wired Earphones具有 13.5 的驱动器尺寸、26 欧姆的阻抗、103 dB 的灵敏度和 4Hz-35,000Hz 的频率响应，提供更清晰、更锐利的声学体验。
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