XP Reactor offers you the most unique sound filtering solution yet. Simply insert these little ear plugs in your ears- you’ll hear naturally- almost seems as if your ears aren’t even plugged. Then when loud sounds hit your ears, the Dynamic Mesh Filtering System will automatically screen those sounds out protecting your hearing. You’ll get 33 dB of noise reduction against loud impulse sounds while still maintaining normal hearing. You’ll also have 16 dB NRR hearing protection against general loud sounds.