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These headphones are designed to protect your ears from loud shooting sounds,
as well as to provide you with the opportunity, when necessary,
to hear non-loud ambient sounds, warning signals, and equipment sounds.
This model provides:
- the function of automatic volume control of sound, amplifying weak sounds and weakening strong ones.
External communication and the function of automatic volume control do not depend on each other;
- manual volume control;
- The function of automatic volume control when working in stereo mode;
- the function of storing in memory the last setting when turned off;
- priority to the external radio signal to be transmitted, even in the event of a power failure;
- automatic shutdown after 2 hours of inactivity,
as well as a warning signal a minute before shutdown;
- a function that, when the battery charge level decreases, signals this.
Signals are issued every 30 seconds for 5 minutes before turning off the headphones;
- polarity protection, preventing damage to the circuits in case of improper insertion of batteries;
- reduction of noise at high frequencies - 31 dB;
- reduction of noise at medium frequencies - 28 dB;
- noise reduction at low frequencies - 16 dB.
- protection against loud sounds up to 190 dB (all light and noise grenades)
Battery life is 600 hours. Batteries are placed in a waterproof unit.
In LIBERATOR III there is one compartment for batteries with a closing lid,
which increases resistance to moisture penetration.
Headphones are waterproof, i.e. remain in working condition after extraction from water.
Headphones weight –355 g.
PTT TCI button with connectors for Motorola DP 4400 for 2 radio stations included