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Reference: AUAUR0000100
With the new Heil Quiet Pro headphones, filters about 70% of ambient noise, since it incorporates two small microphones to capture the noise, and a small differential amplifier changes the noise environment and blends with the audio. This leads to almost total cancellation of the noise. An impressive experience when you use these headphones for the first time, almost absolute silence. uses a 3.5mm jack such as radios, CD players and consoles of the aircraft. Includes adapter jack of 6.3 mm. The handset requires a 1.5 V battery size "AA" (not included) allowing about 30 hours of use.
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