型号 Model No. :YD-J1
线长 Length :1.2±0.05M
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规格 Specification :Ф14.0MM
灵敏度 Sensitivity :120±3DB
频率 Frequency :50HZ-10KHZ
额定功率 Rated Power: 0.3V
阻抗 Impedance :32±15%
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灵敏度 Sensitivity :-39±4dB
频率 Frequency: 100-10000HZ
阻抗 Impedance :2.2KΩ(Max)
额定电压 Nominal Voltage :4.5V