As a flagship in the field of tactical communication equipment, the EARMOR M31/M32 Mark3 tactical headset has been widely acclaimed in military, law enforcement, and special operations sectors since its release. With military-grade noise reduction, a 5-mode adaptive sound environment system, and modular ergonomic design, the Mark3 earned its place as a go-to hearing protection solution for professionals.

Today, staying true to our brand mission — “Protect those who protect us” — EARMOR officially launches the fully upgraded M31/M32 Mark4 tactical headset, redefining professional gear standards with enhanced acoustic engineering and operational adaptability.
Intelligent Noise Reduction, Built for Real-World Tactical Scenarios
The Mark3 series won over countless professionals with its powerful noise suppression and field-proven adaptability. Building on this legacy, the new M31/M32 Mark4 brings precision refinement and greater versatility while retaining key performance features like:

- NRR 22dB noise reduction
- 1ms ultra-fast impulse noise suppression
To meet the complex demands of field operations, the Mark4 now includes:
- Three optimized pickup modes
- Ambient Mode: Balanced audio profile for general use.
- Voice Mode: Enhanced speech clarity in gunfire-heavy environments.
- Recon Mode: Amplified environmental awareness for threat detection.
- Five volume levels
- Three earplug output modes for hearing protection in varying noise levels.

Modular Quick-Detach System for Maximum Flexibility
The Mark4 tactical headset adopts a quick-release design, allowing users to detach or reconfigure the headset in under 3 seconds. Compatible with multiple mounting systems, it boosts combat readiness and deployment efficiency.

Users can easily switch between:
- Headband
- Neckband (via M17)
- Helmet-mounted systems (via M11, M12, M13)
- Flip-back mounts (via M19)
These options ensure broad helmet rail compatibility, making the Mark4 a versatile fit across various mission profiles.
Designed for Dominance — Customization, Comfort, and Control
EARMOR understands that professionals often operate under extreme and asymmetric conditions. The M31/M32 Mark4 has been carefully engineered with features to enhance both function and comfort:

- Left-handed control layout & interchangeable boom mic: The detachable dynamic microphone can be installed on either side, suiting both right- and left-handed shooters. The windproof design ensures clear communication even in harsh environments.
- Adjustable mic positioning slot: Achieve optimal placement for superior speech clarity.
- Dual ear cushion options: Includes gel ear cushions for long-wear comfort and foam ear cushions for maximum noise isolation. Both are easy to swap based on preference.
Trusted by Pros — Built to Withstand, Built to Perform
- Multilingual Voice Prompts: Choose between English and Chinese UI for intuitive operation.
- Military-standard 4-pin U174 connector: Compatible with M51/M52 PTTs and most commercial and military-grade radios.
- Kevlar-reinforced communication cable: Durable and IP67 waterproof for uncompromising reliability in extreme conditions.
- Battery retention system: A twist-lock metal battery cap with a loss-prevention ring ensures you never lose your power cover in the field.
- 60-hour standby time: Powered by two AAA batteries with auto-shutdown after 4 hours of inactivity, delivering long-lasting performance for extended missions.

Ready for Any Mission
Whether you’re in live-fire training, routine patrol, or focused range sessions, the EARMOR M31/M32 Mark4 delivers an exceptional tactical audio experience. Every upgrade is a reflection of EARMOR’s commitment to relentless innovation, user-centric design, and unwavering product quality.
EARMOR M31/M32 Mark4 — Tactical communication redefined.