The Caldwell E-Max Muff (brand part no. 497700) combines solid circuitry with a low-profile ear cup built for shotgun and action shooters. Two microphones, one in each cup, amplify sounds below 85dB, which includes normal communication, range commands, and environmental sounds, then shut off for a split second above that threshold to protect your hearing.

Key Specifications

• Low-profile ear cup design ideal for shotgun and action shooters.
• Amplifies sounds below 85dB keeps normal communication, range commands, and environmental sounds clear.
• Shuts off above 85dB protects your hearing automatically from sudden loud noise.
• Two microphones, one per cup give true stereo sound and directional sound localization.
• Padded headband adds comfort for extended wear.
• Audio input jack lets you plug in outside audio if needed.
• Volume control knob gives quick, on-the-fly adjustment.
• Power indicator light shows at a glance whether the unit is on.
• 23 NRR rating a solid noise reduction rating for an electronic model.
• Runs on 2 AAA batteries not included, but widely available.

Frequently Asked Questions

What’s the noise reduction rating? 23 NRR.

Does it need batteries? Yes, it runs on 2 AAA batteries, not included.

At what noise level do the speakers shut off? Above 85dB, to protect your hearing automatically.

Buy the Caldwell E-Max Muff, 25dB, Green/Black, Adult

Order the Caldwell E-Max Muff, 25dB, Green/Black, Adult and protect your hearing on every range trip, right alongside the rest of our shooting hearing protection lineup. Our Lubbock, Texas team ships it direct as soon as it’s ready to go out.