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3M Peltor Flex Headset with Helmet Mounting

Ear defender with boom mic and PTT for walkie talkies, DECT phones or mobiles - helmet attachment version

Manufacturer Ref.: MT53H79P3E-77 Product Ref.: PELTORFLHH
3M Peltor Flex Headset with Helmet Mounting

Key features

  • Noise-cancelling helmet mounted ear defender with PTT
  • Can be connected to walkie talkies, or mobiles by cable (not included)
  • Large foam ear cups and padded headband for maximum comfort
  • High attenuation (33dB)
  • Meets EN 352-1, EN 352-4, EN 352-6 standards

This product is no longer manufactured
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Product end of life
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Product information

Peltor Flex headsets were designed by Peltor as a solution for people who used multiple communication devices and want to use a single headset, simply by changing  the connection lead. This version slots easily onto most hard hats.

3M Peltor Flex Headset with Helmet Mounting

The 3M Peltor Flex offers excellent acoustic protection in high noise environments and can be connected to walkie talkies and mobiles, just by attaching the compatible cable. 

Its high attenuating ear cups have been designed to give sufficient space for your ears, while providing optimum acoustic protection and sound quality, preventing resonance and distortion. The ear cushions are manufactured from soft wide foam and are fluid-filled, and the headset fits easily onto most helmets. Pressure is distributed evenly around the ears, for maximum comfort levels, even when worn for long periods of time.

The quick positioning microphone offers effective noise compensation for clear conversations, even when background noise levels are high and the PTT button on the left cup is easy to operate, even when wearing gloves.


  • Connects to any commnunication device with compatible cable (contact us)
  • Helmet-mounted earphones
  • High attenuation (32dB)
  • Excellent sound quality
  • Large and comfortable earcups
  • Noise cancelling microphone
  • Quick positioning microphone boom
  • PTT on ear cup
  • Weight: 340g
  • Ideal for: heavy industry, construction, manufacturing, roadworks, industrial plants, printing workshops


Peltor Flex Helmet Attachment Attenuation

The Peltor Flex is also available in Headband and neckband versions. Please call Onedirect's sales team for more information.

Warranty 1 year
Ear Defender Type Connects to walkie talkies or mobiles
Wearing style Over the head
Attenuation High attenuation
Level dependent active listening Without level dependent active listening
Bluetooth Without Bluetooth
ATEX Not ATEX certified
Built-in AM/FM radio Without AM/FM radio
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