HOWARD LEIGHT IMPACT SPORT OD EAR MUFF, 24DB RATING, OLIVE GREENImpact Sports intelligent electronic ear protection is always actively listening. Employing integrated directional microphones that amplify ambient sounds to a safe 82dB, youll hear important commands on the range and crucial environmental sounds. And when loud, impulsive sounds like firearm discharges exceed 82dB? Amplification automatically stops, and youre protected. Amplifies ambient sound to safe 82 dB response technology revert to passive