Microphone:
AC impedance: 100Ω ( 1000Hz)
Sensitivity: >=0.5mV/Pa(1000Hz)
Frequency range: 150Hz-5000Hz
Receiver:
AC impedance: >=10000Ω (1000Hz)
Sensitivity: >=100dB/220mW(1000Hz)
Frequency range: 150Hz-5000Hz
Cap sleeve type: SW,SS,NW,NS
Shading and color: Black or camouflage sheepskin
AC impedance: 2 x 300Ω ( 1000Hz)
Sensitivity: 121+-3db/mW(1000Hz)
Frequency range: 200Hz-4000Hz