Otto V4-10148 Over The Head Heavy Duty Headset

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1.00 LBS
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OTTO Over-the-Head heavy duty headsets are Mil-Spec and IS/ATEX certified and deliver comfort, reliability and protection. Microphone position can be  adjusted by rotating the boom left or right. The headsets offer a certified noise reduction rating (NRR) of 24dB and provide high clarity audio and additional hearing protection necessary for consistent, clear communication in extreme noise environments.

Compatible with Motorola ASTRO/SABER Series (MD) Connector ASTRO/SABER Series HT600, MT1000, MTX800, MTX Classic, MTX900, P200 with Motorola adapter NTN5598 ASTRO/SABER with Motorola adapter NTN5664D

  • Certified noise reduction of 24dB
  • Heavy-Duty In-Line PTT Switch
  • Flexible, noise-canceling, boom microphone with replaceable windscreen
  • Comfortable, cloth-covered ear seals
  • Over-the-head and behind-the-head styles
  • Fully rotating boom mic for left or right side positioning
  • Fits Motorola, 6 PIN Hirose Connector


  • Cable pull from ear cup and mic/PTT, axial: 20 lbs
  • Cable pull from T module, axial: 20 lbs
  • 24 month manufacturer’s warranty
  • Microphone sensitivity at 94dB SPL: -37 typical 
  • Operating temperature: -30° C to +75° C
  • Storage temperature: -40° C to +85° C
  • Warranty: 3 years
  • Audio Connector: 6 PIN
  • Microphone type: Boom Mic
  • PTT Options: Lapel PTT - In line

WARNING This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

We are Not Accepting Returns or Exchanges For Any PPE Equipment or Ballistic Items.

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Additional Information

Product ID:
Hearing Protection
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