Noise Reduction Rating (NRR) is third-party certified in accordance with ANSI S3.19-1974, EN352.
Connect-by-Cable Headsets reproduce and amplify sounds while
automatically filtering out harmful noise levels. Allows the wearer to hear
warning sounds, alarms and other important information. Ideal for use in
high-impulse noise areas, road maintenance, railroad work and other
environments where you need to hear surrounding sounds at the same time
as protecting your hearing.
- Noise-cancelling boom microphone permits two-way communication with minimal interference from background noise
- High amplification of weak signals possible.
- Sound level from the electronic circuits limited to max 82 dB(A)
- Weight: 330 g (headband), 325 g (slotted cap)