◆Speaker DIA.: φ15±0.5mm
◆Speaker Impedance: 32Ω ±15%
◆Speaker Sensitivity: 87dB±3dB
◆Speaker Frequency Respond: 20Hz-20KHz
◆Microphone Size: φ9.7 X 6.7mm
◆Microphone Frequency Respond: 20Hz-16KHz.
◆Microphone Impedance: 2.2KΩ
◆Microphone Sensitivity: -36dB±3dB