Caldwell E-Max Low Profile Electronic Ear Muffs GreenThe Caldwell Low Profile E Max Electronic Earmuffs combines great circuitry with a low profile earcup that's ideal for shotgun shooters and action shooters. The two microphones in the E Max amplify sounds below 85 decibels, which amplifies normal communication, range commands, and environmental sounds. Above 85 decibels, the microphones shut off for a split second to protect the shooter's hearing. The E Max Low Profile Earmuffs are now available in