Etymotic Research ER20HD Safety High-Definition Earplugs (Noise Reduction for Construction, DIY, Warehouse, Concerts, Musicians, Race Track and Sporting Events) - Standard and Large Combo Pack

ETY-Plugs HD are the world’s first high-definition, ready-fit earplugs. They reduce noise levels while preserving the clarity of speech and environmental sounds. ETY-Plugs HD are configured to replicate the natural response of the ear, so sound quality is the same as the original, only quieter. Regular use of high-definition ETY-Plugs HD while operating machinery, power tools or loud vehicles reduces the risk of hearing damage from the cumulative effects of overexposure to loud noise throughout life. Most users comment that they hear speech and environmental sounds better when using ETY-Plugs HD in high-noise environments. ETY-Plugs HD are reusable, but with repeated use, the eartips may lose elasticity. For best performance, if you use your ETY-Plugs HD consistently, replace them every 3-6 months. ETY-Plugs HD are not recommended for use with impulse noises such as gunfire or for sleeping.

Etymotic Research ER20HD Safety High-Definition Earplugs (Noise Reduction for Construction, DIY, Warehouse, Concerts, Musicians, Race Track and Sporting Events) - Standard and Large Combo Pack: Includes: 1 pair large fit ETY-Plugs HD Safety Earplugs with clear stems, 1 pair standard fit ETY-Plugs HD Safety Earplugs with frost tips, 2 neck cords, and 2 carrying cases. Attenuate sound levels evenly so speech and environmental sounds are clear and natural, not muffled. Reduces the risk of hearing damage from loud machinery, vehicles, power tools, sporting events and recreational activities. ETYPlugs HD are reusable, but with repeated use, the eartips may lose elasticity. For best performance and retention, if you use your ETY-Plugs HD consistently, replace them every 3-6 months. Not recommended for use with impulse noise, e.g., shooting sports. Not recommended for sleeping.