3M™ PELTOR™ Optime™ III Headsets H540P3-413-SV features dual cup technology to minimize resonance effects. The wide interior of the cups helps reduce moisture and heat buildup. Soft wide cushions reduce pressure around the ears, increasing comfort and wearability. The easily replaceable ear cushions and parts help maintain cleanliness. These headsets are suitable for extreme noise environments, offering high-frequency attenuation while allowing speech and signals to remain easily audible.