Impedance (at 1KHz):150Ω+/-20%

Sensitivity(318ear/60mV):94+/-2dB

Frequency Range:300-3400Hz

Axial Director(at 1KHz 0dB 1A/M):≥-19dB

Radial Director(at 1KHz 0dB 1A/M):≥-22dB

dynamic receiver