JBL T400BT Wireless Headphones于 2015 年 3 月 24 日首次发布。优雅的黑色设计，重量为 185.00g，线长为 1.3m，使JBL T400BT Wireless Headphones和耳机舒适。此版本的 JBL 耳机支持蓝牙 4.2。此版本的JBL T400BT Wireless Headphones具有 40 个驱动器尺寸、32 欧姆阻抗、106 dB 灵敏度和 20Hz-20,000Hz 的频率响应，提供更清晰、更锐利的声学体验。
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JBL T400BT Wireless Headphones vs boAt Airdopes 203 True Wireless Stereo (TWS) Earphones
JBL T400BT Wireless Headphones vs boAt Airdopes 291 True Wireless Stereo (TWS) Earphones
JBL T400BT Wireless Headphones vs boAt Airdopes 383 True Wireless Stereo (TWS) Earphones
