Hearing protection Equipment and work Ear Defenders for noise reduction when exposed to loud noises, showing SNR noise reduction rating in decibels, ranging from 24 to 35 decibels. All ear defenders tested to EN352-1 The potential for long lasting hearing damage when working within loud environments is significant. Whether your need to protect your ears and hearing from loud industrial machinery or loud music, we have the highest quality workplace ear defenders and hearing protection at great prices. Order now with fast delivery.