# Introducing the TCI Liberator HP 2.0 Earmuff The Liberator HP headset is the next generation in electronic hearing protection, offering crisp, clear audio in a durable, scratch-resistant, slim earcup. 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. --- ## Product Details - Speed-change battery compartment works with either two AAA batteries or one CR123 battery - 160-300 hour run time (mode dependent) - Noise reduction rating (NRR) of 26dB - Over the head suspension