Impact Sport Bolt electronic earmuffs amplify ambient sound while automatically blocking hazardous noise. All new digital compression circuitry offers lightning fast attack time of .5 milliseconds and 5X Sound Amplification. For protection the ImpactSport BOLT actively listens and automatically shuts off amplification whenever harmful sound levels are reached. The earmuffs effectively block any noise continuous or impulse 82 dB or higher.
Howard Leight Impact Sport Bolt Orange Electronic Earmuff