Active Headphones M31 Mark4 – Black – Earmor

Earmor M31 Mark4 are active hearing protection earmuffs, ideal for sport shooting, hunting, and tactical operations. They effectively reduce noise above 82 dB while amplifying ambient sounds, providing spatial awareness on the range or in the field. The ultra-fast response of under 1 ms ensures instant protection from sudden loud noises, allowing you to focus on shooting without risking your hearing.

Key Features

• Reduces noise above 82 dB.
• Response time under 1 ms – instant hearing protection.
• Two directional microphones for spatial perception.
• Five-level volume control.
• Soft silicone gel cushions + additional PVC foam inserts.
• Modular design with helmet mounting options (compatible with ARC, EXFIL, M-LOK).
• Powered by 2 × AAA batteries, up to 60 hours of operation.
• Durable polymer housing with IPX5 water resistance.
• Foldable design; includes carrying case and pouch.

Functionality and Design

The Earmor M31 Mark4 features silicone gel cushions that perfectly adapt to the head shape, reducing pressure and ensuring comfort during long sessions. Additional PVC foam inserts allow fine adjustment. Five-stage volume control lets you customize sound reception according to your needs.

The modular design enables direct attachment to tactical helmets with ARC, EXFIL, and M-LOK adapters, making them suitable as part of a professional tactical kit. With up to 60 hours of active operation on 2 AAA batteries, these earmuffs are reliable even during long training or shooting sessions.

The rugged IPX5-rated polymer housing protects against water and harsh weather. The foldable design, combined with a protective case and pouch, ensures easy transport and protection against scratches and damage.

Earmor M31 Mark4 combines comfort, safety, and durability, making it an essential piece of equipment for any shooter or tactical operator.

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Technical Data

Basic Data

• Average SNR attenuation: 29 dB
• NRR attenuation: 22 dB
• Sound cut-off above: 82 dB
• Protector type: in-ear
• Max. operating time: 60 h

Material and Finish

• Color: Black
• Housing: Polymer

Additional Data

• Applications: Hunting, sport shooting, tactical
• Weight: 340 g
• Water resistance: IPX5

Power Supply

• 2 × AAA batteries

Included in Set

• Earmor M31 Mark4 active hearing protectors
• Protective case
• Carrying pouch
• Additional PVC foam inserts