MSA Sordin Supreme Mil AUX ARC hearing protector, black

Hearing protection designed for military and professional use, with an ARC helmet rail mount and an AUX input. It attenuates sounds effectively while remaining low-profile, which makes it an excellent fit for use with a rifle.

Main features

• Low-profile ear muffs suit both left- and right-handed shooters
• Easy-to-use buttons for controlling the electronic functions
• Level-dependent (listening) function that lets you hear ambient sounds such as warning signals, moving vehicles and important information while protecting you from harmful noise (sound passed through the level-dependent function is limited to a maximum of 82 dB)
• High-quality amplification of important sounds and natural sound reproduction without cut-outs or distortion
• Very natural sound quality thanks to the speakers inside the ear cups
• Two speakers in each cup: one for listening to the surroundings, the other for radio and communication use
• The radio and communication function works even when the batteries are empty
• Waterproof microphones (IP67 tested)
• Circuit boards are coated with several layers of lacquer and polymer for increased moisture resistance and durability
• Battery-saving function, low-battery warning (40 h before running out), automatic shut-off (4 h), battery life approx. 600 hours
• Automatic shut-off after 4 hours if no button is pressed, saving battery life
• Audio input (AUX) for connecting external audio sources such as communication radios
• Tested to the MIL standards MIL-STD-810G and EMC-MIL-STD-461G
• Additional RFI protection

• Brand: MSA Sordin
• Attenuation values: SNR = 26 dB, H = 27 dB, M = 23 dB, L = 18 dB
• Batteries: 2 × 1.5 V AAA/LR03, estimated operating time approx. 600 hours
• Level-dependent microphone frequency range: 100 Hz to 10 kHz
• Speakers / frequency range: 2 × 32 Ω / 20 Hz to 20 kHz
• Tested operating temperatures: -20 °C to +50 °C
• Maximum permitted audio signal level of a connected radio through the speakers: 399 mVrms (must not exceed 82 dB(A))
• Ear cushion material: PVC
• Weight: 411 g
• Complies with the following environmental directives: RoHS, WEEE
• Made in Sweden

This hearing protector is available with a foldable headband, as a helmet-mounted version, with a thin headband and as a neckband version.

MIL standards: Sordin is currently improving its test procedures in line with MIL-STD-810H (Environmental Engineering Considerations and Laboratory Tests) and MIL-STD-461G (Requirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment).