The Liberator HP headset is the next generation in electronic hearing protection, offering crisp, clear audio in a durable, scratch-resistant, package. The Liberator HP provides enhanced hearing protection in all environments, including those with impulse/gunfire noise and high-decibel, constant background audio. The wearer is protected while advanced sound localization allows for maximum situational awareness and sound detection.The glass polymer, injection-molded, slim earcups provide excellent durability and is the base ear-cup for the Liberator IV and V headsets. FeaturesFirst of its kind multi-mode adjustability providing Active Noise Reduction (ANR), Active Noise Cancellation and both simultaneouslyDigital Threat Compression Technology, Advanced Digital Processor, and Digital Situational Awareness Enhancement3 Distinct hearing protection modes:ENHANCED MODE Blocks dangerous impulse noise, while enhancing nearby speech and audioMOVE MODE Blocks all external noiseCLARITY MODE Bl...