◆Speaker DIA.:φ15±0.5mm
◆Speaker Impedance:32Ω ±15%.
◆Speaker Sensitivity:103dB±3dB.
◆Speaker Frequency Respond:200Hz-3.5KHz
◆Microphone Size: 6.0 X 5.0mm
◆Microphone Frequency Respond:20Hz-16KHz.
◆Microphone Impedance:2.2KΩ.
◆Microphone Sensitivity:-38dB±2dB.