The Caldwell E-Max Electronic Earmuffs combines great circuitry with a standard earcup for better protection. 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.

Ear Cup Width: 2.25"

Batteries: 2 AAA (not included)

NRR: 25 dB

Cutoff: 85dB

CE Certified: Yes

Warranty: 1-year warranty against manufacturing defects.