Tactical M31 Mod4 Electronic Hearing Protection Headset Nrr 22db With Helmet. Enhance Your Audio Experience with the M31 MOD4 Tactical Active Headset, Designed for Superior Hearing Protection and Sound Clarity in Demanding Environments. This Electronic Hearing Protector is Perfect for Activities Such As Shooting, Hunting, and Machinery Operations. The Headset Actively Enhances Weak Environmental Sounds While Suppressing Hazardous Noises Above 82 DB, Safeguarding Your Hearing. Equipped with Super-fast Attack Time of Less Than 1 Ms, the Headset Ensures Immediate Noise Suppression. The Device Features Multi-mode Switching, Allowing You to Toggle Between Comfort and Combat Modes to Suit Various Environments. Comfort Mode Excels Indoors by Reducing Echo, While Combat Mode is Ideal for High-alert Situations, Enhancing Voice Clarity. This Headset Also Includes a 3.5mm AUX Input for Media Devices, and Its Dynamic Tracking Technology Accurately Distinguishes Between Voices and Ambient Sounds. The Internal EMI Filtering System Minimizes Electromagnetic Interference for Uninterrupted Performance. Durably Designed with Waterproof and Impact-resistant Materials, It's Suitable for Harsh Conditions. Paired with a Versatile Helmet Rail Mounting Kit, the Headset Offers Multi-angle and Telescopic Adjustments, Providing Comfort and Adaptability to Tactical Gear Setups. Features: - Noise-cancelling Electronic Headset with NRR 22dB - Enhances Weak Sounds, Suppresses Harmful Noises Above 82 DB - Super-fast Attack Time (<1 Ms) for Immediate Noise Suppression - Multi-mode Switching: Comfort and Combat Modes - Dynamic Tracking Technology for Voice Clarity - EMI Filtering System to Reduce Electronic Interference - 3.5mm AUX Input for Media Devices - Waterproof and Impact-resistant Build - Helmet Rail Mounting Kit with Multi-angle Rotation - Telescopic Adjustment for User Comfort.