Hearing Protection Earmuffs (M31 PLUS)
The M31 PLUS actively suppresses impulsive noise above 82 dB, reducing sound to safe levels, while its 22 dB NRR (ANSI) ensures consistent hearing protection. Meanwhile, ambient sounds like speech, footsteps, or distant gunfire are amplified—thanks to dual directional microphones and independent 4‑speaker audio—offering 360° environmental awareness.
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Comfort & Durability
Lightweight and low‑profile, the headset uses silicone gel ear pads that seal well and resist sweat, while its folding headband fits under helmets and stores easily. It meets IPX‑5 for splash resistance and operates in temperatures from ‑20 °C to +60 °C.
Battery & Audio Connectivity
Powered by two AAA batteries, the M31 PLUS runs up to roughly 350 hours, with an auto shut‑off feature after 4 hours of inactivity to conserve power. A 3.5 mm AUX input and included cable allow users to connect phones, radios, MP3 players, and more.