Sonis1 Adjustable Ear Defenders 27dB SNR – Grey / Green

The Sonis range has been stylishly designed with a traffic light colour code for easy identification. Materials have been chosen for both performance and comfort for extended periods of use. · · · SNR 27 · · Comfort · · Customisation · · Adjustable Steel Arms · · Hygiene Kit Available · · Performance – 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.