GENERAL
Termination 4 pins Amphenol plug
Microphone Noise cancelling microphone, Dynamic 150 Ohm, IP 68 (6m/30min) Sensitivity -71dB±3dB (0dB=1v/Pa 1KHz) @50CM Frequency response 200Hz ~ 7KHz
Earphone/Speakers 46mm diameter, 230 Ohm +/-10%, SPL 107 +/- 2dB, 100-8000 Hz, IP54
Temperature -20°C to +55°C
Storage Humidity < 90%
Protection IP-54
Attenuation rating (HML) H=32dB / M=29dB / L=20dB
Attenuation rating (SNR) 31 dB
Dimension (HxD) Approximately 200x130 mm
Weight 0.292 kg
Colour Yellow and Black
Manufacturer Zenitel (3MTM Peltor MT74H52A-110)
Cable 10m