TECHNICAL DATA:

Microphone:

Sensitivity : -34dB±2dB Frequency: 100Hz-160kHz Impedance: 2.2KΩ Operation voltage :1V～10V Speaker Dimension: Ф18mm Nominal Impedance 32ohm±15% Frequency Range :420Hz-20kHz Sensitivity :102±2dB Rated Power :30mW   Maximum Power : 50mW Wire: Dimension Main wire: Ф3.5mm; Junction wire: Ф2.2mm Durable temperature : －20℃～90℃ Material : PU