FIELD: personal protection equipment.
SUBSTANCE: describes on-ear hearing protector with the possibility of evaluating its effectiveness and a method for evaluating the effectiveness of overlay devices for hearing protection. Embodiment of the on-ear hearing protector with the possibility of evaluating its effectiveness includes an earpiece having an internal volume and adapted to be positioned the way to at least partially close the user's ear. Headset includes a cup, a roller and an acoustic port extended from the outside to the inside of the headset.
EFFECT: acoustic port is made with the possibility of its tight engagement with the microphone.
15 cl, 4 dwg
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