The HR-2 is a dual-sided, medium-weight passive noise reduction headset with a dynamic noise-canceling microphone. The headset has a noise reduction rating of 21dB; suitable for use in a moderately ...
Specifications
• Noise Reduction Rating (NRR):23dB
• Talk through powered by two AAA batteries
• 72 hours of operating time while using batterypower without degradation of sound quality
• Automatic shutdown after 2 hours ...
The HS9 Headset is not only built tough,it's steel-tough! The cable that connects the headband to the belt-pac Communicator is a blend of stainless steel and tinsel wire.As a result,this ...