M31H PLUS electronic earmuffs for ARC helmet, black

M31H PLUS Electronic Earmuffs for ARC Rail, black

Electronic earmuffs with active listening for mounting on helmets with ARC Rails. They protect hearing from loud noises while allowing you to hear your surroundings at a safe level, with the ability to communicate and connect external equipment via 3.5mm AUX.

• Mounting for helmets with ARC Rails, such as Ops-Core FAST and derivatives
• Low-profile ear cups with silicone ear cushions
• Two directional microphones and four independent speakers
• Two speakers for ambient sound captured by the microphones and two for AUX devices
• Three sound amplification levels
• NATO Military Standard 7.0 connector for PTT button
• Dynamic Voice Tracking technology for voice recognition and amplification
• 3.5mm audio input

Technical specifications

• NRR (ANSI): 22 dB
• Power supply: 2 x 1.5V AAA batteries
• Approximate battery life: 350 hours
• Automatic shut-off: after 4 hours
• Water resistance: IPX5
• Weight: 343 g without batteries
• Operating temperature range: -20°C to +60°C

Standards

• CE
• RoHS
• ANSI S3.19-1974
• EN352-1:2020
• EN352-4:2020
• EN352-6:2020
• EN352-8:2020

Ideal for

• Users wearing helmets with ARC Rails who require hearing protection
• Situations where hearing your surroundings and communicating is important
• Connecting a radio, phone, or other external device via 3.5mm AUX