The TCI LIBERATOR II headset is equipped with two active microphones ( one near each headphone ), which catch the outside sounds and transfer them to the operator in an enhanced form. The user can adjust the volume level depending on his own needs. The interface which controls the volume level is located on the left headphone.

All the sounds which are dangerous for the hearing are muted to a level which is safe for your ears. When the hazardous sound stops, the settings of the headset go back the their normal operation. The set is equipped with an adjustable headband which is covered with fabric and which should be placed just above the user"s neck. Its construction allows to fir it to the head of every user.

The headset is powered with two AA batteries. Each headphone has got place for one battery.