Radians R3400 Quad Mic Electronic Earmuff NRR 24

The Radians R3400 Quad Mic Electronic Earmuff provides amplified situational awareness while protecting hearing by compressing sounds that exceed safe levels. Four microphones offer broad sound pickup for close-range listening and range use. The design includes a compact folding headband, a 3.5 mm stereo input for device playback, and an LED power indicator for battery management.

Key Specifications

• The model is R3400.
• This unit is an Electronic Earmuff.
• The noise reduction rating is NRR 24.
• Sound pickup is provided by four microphones.
• It includes a 3.5 mm stereo input jack and patch cable for smart device playback.
• The power indicator is an LED ON/OFF indicator to prevent unintentional battery discharge.
• The headset requires two AAA batteries (not included).
• The construction material is Plastic.
• The color finish is Military Green/Black.
• The listed unit weight is 0.83.

Engineered for range sessions, training, and outdoor work where clear low-level sound and hearing protection are both important, the Radians R3400 balances situational awareness with reliable noise attenuation. Its folding profile and auxiliary input make it practical for travel and device playback while the quad-mic design keeps ambient audio natural and usable during extended use.