TCI LIB4_D_XXX/LBKU### Liberator IV Advanced Single Comm Headset and PTT System

The Liberator IV Alpha Push-to-Talk (PTT) system is the first multi-mode, dual fuel single communications headset and PTT on the market. It incorporates the same features of the Liberator V but in a single communications channel package. 100% US designed and manufactured tactical headset, it features a first of its kind Dual Fuel system allowing it to run on either two AAA or one CR123 battery. The headset offers operational modes for all high noise situations. The Liberator IV can protect against impulse noise, like gun fire, and steady state noise, like operating on a helicopter. It is the first headset with user audio profiles modifiable with simple keystrokes on the headset