The ACTIVE - HELLBERG shells have an active noise protection that equalizes all incoming sounds to a safe level.
This way, you can chat with your colleagues while working.
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ACTIVE ANTIBRUCTIVE SHELLS SNR 28 dB COMMUNICATION - HELLBERG
ACTIVE noise-cancelling shells are an active noise-cancelling device with integrated loudspeaker and microphones.
Active noise abatement filters out surrounding noise and reduces potentially dangerous noise.
These shells allow you to work in a safe sound level while letting you listen to what is happening around you.
The microphones, integrated into the shells, provide directional hearing while the active noise cancelling system equalizes all sounds, passing through the speakers, to a safe level (82 dB).
These noise-cancelling shells meet the standards:
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