At the flip of a switch sound is amplified

SLC80: 22 dB

or a brief period of wakefulness

Step two is an internal volume limiter that prevents exceeding OSHA recommended maximum noise levels

Moldable silicone ear plugs like this are a better choice for swimming than moldable wax ear plugs - they're equally comfortable

Uvex K200 Dielectric Headband Earmuffs (SLC80 28 dB, Class 5) PAFeatures_Hearing Protection At the flip of auvex k series maximum protection combined with perfect design The uvex K200 protective earmuffs offers an impressive combination of great design and high level of performance: Thanks to their soft surfaces, the earmuffs are easy to mould and comfortable to wear due to their low weight. General features dielectric earmuffs with length adjustment colour: black yellow version with 360 headband adjustment Protection features SLC80: 28 dB, class 5 meets AS