What is noise cancellation?Noise-cancelling headphones are
battery-powered headphones that actively cancel out the ambient
noise surrounding a listener. Themost common use for them is during
plane journeys. While sound-isolating earphones will block out
chatter, it won't get rid of thenoise of a jet engine.
Noise-cancelling headphones will. Why Do You Need a Hearing
Protection ? According to the Occupational Safety and Health
Administration, continuous exposure to noises that are 85 decibels
and above is enough to cause permanent hearing loss. To put it into
context 85 decibels is the same noise level as the sounds of a
restaurant during the lunch rush.Why Do You choose DF-5 ?DF-5 is a
new-generation comm and hearing protection device in one headset
which enhances situational awareness while protecting users in
hazardous sounds, It has belowed advantages:1.Advanced Noise
Reduction: Reduces damaging battlefeld noise while simultaneously
enhancing hearing and communication to increase the warfghter's
lethality2.Improved hear-thru electronics software : Offers full
360 degree situational awareness and 3D sound localization in a
dynamic design. To accurate directional soundperception, and
improve command and control3.Speech intelligibility Enables
configuration of the virtual positions of the radio net
transmissions to improve speaker recognition and
speechintelligibility4.Crystal clear communication :Two-way crsytal
clear communication, Used for connecting to different intercom and
radios.A perfect solution for battlefeld communication Frequency
125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz MEANS 18.3 18.7 24.4
28.5 35.1 38.8 39.9 Standard deviation 2.9 2.1 2.3 2.2 2.9 2.6 2.9
MEAN-SD 15.4 16.6 22.2 26.3 32.2 36.2 37.0 Company ProfileAbout
POWER-TIMEPower-Time is a high-tech enterprise specialized in
manufacturing military communciation and energy system, which
offers excellent solutions for police,swat,military.naval
forces.defense etc.We expanded production lines,factory
capabilities and testing equipments to meet military standard as
well as any special requirements for our clients.Manufacturing
TechniqueWhy Choose UsExhibitionCertifications /* March 10,
2023 17:59:20 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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