Sonis® 1 Helmet Mounted Ear Defenders.
The Sonis® range of ear defenders have been designed by the JSP R&D team. Working with a leading UK acoustic engineering research facility they have developed an ear defender range that peaks at an unbeaten 37 SNR.
- SNR 26.
- Low attenuation small cup 80-107 DB.
- Moderate industrial noise.
- Printing works.
- Leisure activities.
- Colour Coding for easy selection.