The 3M Peltor Sport RangeGuard is an electronic over-the-head hearing protector with NRR 21 dB. It uses active level-dependent technology to amplify low-level sounds such as speech and range commands while automatically suppressing loud impulse noises like gunshots above 82 dB. Designed primarily for shooting ranges, hunting, and sport shooting. Runs on batteries with no Bluetooth or radio features. Allows users to hear their surroundings naturally between shots.
How does the electronic sound amplification work?
The RangeGuard uses microphones mounted on the outside of the ear cups to pick up ambient sounds and play them through internal speakers. Sounds below 82 dB — like voices, range commands, and footsteps — are amplified so you can hear your environment normally. When a loud impulse like a gunshot occurs, the electronics instantly suppress the signal to protect your hearing, then return to normal amplification immediately after.
Is NRR 21 dB sufficient for indoor shooting ranges?
Indoor ranges are among the loudest environments for shooters, with gunshots often exceeding 140 dB peak. NRR 21 provides roughly 10.5 dB of estimated real-world attenuation (using the halving method). For indoor ranges, many experienced shooters pair the RangeGuard with foam earplugs underneath for dual protection, achieving significantly higher total attenuation.
Can I hear the range officer's commands while wearing the RangeGuard?
Yes. That is one of the primary design goals. The sound amplification feature lets you hear voices at normal or elevated volume while the ear cups are on. You can hold a conversation, receive commands, and hear your surroundings between strings of fire.
How does the RangeGuard compare to passive earmuffs for shooting?
Passive earmuffs like the X4A or X5A block all sound equally. The RangeGuard sacrifices some peak NRR (21 vs 27–31) in exchange for situational awareness — you can hear normally until a gunshot triggers the cut-off. For range sessions where communication matters, the electronic design is generally preferred despite the lower NRR rating.
Does the RangeGuard have Bluetooth or audio streaming?
No. The RangeGuard is dedicated hearing protection for shooting use. It has no Bluetooth, no AM/FM radio, and no phone call capability.
What batteries does the RangeGuard use?
The RangeGuard uses AAA batteries. Battery life varies by usage of the amplification circuit. It is advisable to carry spare batteries on range days.
# 3M™ PELTOR™ Sport RangeGuard™ Electronic Hearing Protector **Model:** `EAR1000` **Brand:** 3M **Category:** Hearing Protection > The 3M Peltor Sport RangeGuard is an electronic over-the-head hearing protector with NRR 21 dB. It uses active level-dependent technology to amplify low-level sounds such as speech and range commands while automatically suppressing loud impulse noises like gunshots above 82 dB. Designed primarily for shooting ranges, hunting, and sport shooting. Runs on batteries with no Bluetooth or radio features. Allows users to hear their surroundings naturally between shots. ## Specifications | Attribute | Value | |---|---| | Product Type | Electronic Hearing Protector | | Style | Over-the-Head | | Nrr Db | 21 | | Bluetooth | No | | Am Fm Radio | No | | Barcode (UPC) | | Source: https://www.jaspecs.com/3m/hearing-protection/ear1000-3m-peltor-sport-rangeguard-electronic-hearing-protector/