Speaker Dimension Ф15mm
Nominal Impedance 32ohm±15%
Sensitivity 120±2dB
Rated Power  30mW
Maximum Power  50mW
Frequency Range  420Hz-20kHz
Mic Dimension Ф6mm
Sensitivity -54dB±2dB
Directivity omni-Directional
Frequency 100Hz-160kHz
Impedance 2.2K
Operation voltage 1V-10V