Noise Braker Custom Ear Plugs does this by blocking high decibel background noise using our proprietory non-linear filter:
Increase in concentration
Heighten Hearing Awareness
Provide added spacial safety
Noise Braker Custom Ear Plugs are also adaptable for use as radio communicator earpieces. Or they can be used to increase the effectiveness of standard radio headphone sets.
This noise braker power sports earplugs are designed for the user to listen to the outside environment with a natural sound in various power sports, sporting, and athletic events, and occupational environments, but not be exposed to noise levels exceeding 120 dB nominal.