Sonis 1 Helmet Mounted Ear Defenders - Low Attenuation
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.
Features & Benefits
Low attenuation small cup 80-107 DB
Moderate industrial noise
Colour Coding for easy selection