LIBERATOR® IV REDLINE™ Single Communications Headset
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LIBERATOR® IV REDLINE™ Single Communications Headset

Engineered specifically for fire and rescue workers, the Liberator® IV REDLINE™ is a thermally tested and certified, multi-mode, dual fuel, single communications headset that features industry-leading sound localization for maximum situational awareness and Active Noise Reduction (ANR) for superior hearing protection.

Designed to fit under fire and rescue helmets, the Liberator IV REDLINE features heat and cut-resistant cables and high-temperature ear seals that allow it to withstand the harshest conditions.

Prop 65


  • Engineered to meet NIST 1474 and 1477 Thermal Testing Standards
  • Sustained operation in environments of 212°F
  • Tested to withstand 320°F for up to fifteen minutes
  • Sealed for water spray & particle dust protection, submersible up to three (3) feet
  • Passive Electronic Noise Compression and Active Noise Cancellation (ANC) technology that protects hearing, while allowing clear communication in the noisiest environments
  • Ambient sound amplification for 360-degree situational awareness/face-to-face communication
  • Noise-canceling boom microphone for clear voice transmission, even when worn with Self Contained Breathing Apparatus (SCBA)
  • Does not interfere with SCBA face mask seal
  • Third-party tested - explosive atmosphere certified, MIL-STD certified and certified at 26 dB NRR
  • Low profile, behind-the-head suspension, designed to fit under fire and rescue helmets, without interfering with the helmet ratchet adjustment
  • Ability to run on either two AAA or one CR123 battery
  • Compatible with most public safety portable radios
  • Easily cleaned and decontaminated
  • Designed, engineered, and manufactured in the USA