* 使用降噪技术,增强过滤降噪功能. * 消除噪音,可提供舒适的视听环境. * 喇叭直径:40mm. * 阻抗:32ohm±10%. * 频响范围:20Hz-20KHz. * 灵敏度:102dB at 300Hz. * 最大功率:200mW. * 导先长度:1.5m 1) Active noise cancelling technology to enhance the power of noise filtering 2) Block the external noise to offer a superb listening experience 3) Driver unit: 40mm dynamic speaker 4) Impedance: 32Ω±10% 5) Frequency response: 20Hz-20kHz 6) Active cancellation: 20-1,000Hz 7) Sensitivity: 102Db at 300Hz 8) Cord length: 1.5m 9) Plug: 3.5mm stereo plug