These reliably protect from dangerous noise, but allow hearing surrounding sounds. Active protection function enhances weak sounds, and cuts out loud impulsive noise. Automatic shutdown in two hours of inactivity, and preservation of last setting when shutting down. Integrated equalizer and balance adjustment function allow selecting optimal sound reproduction diagram. Selected settings are confirmed by the voice message or sound signal. Standard cord with slot J11 integrated into the headphones case allows connection to most of the radio stations.
Battery: 2 AA batteries; service life: 1,000 hours.
Connection to the radio station is effected through adaptor series FL50. Adaptor model is selected separately for the radio station model.
Weight: 400 g.

SNR=31 H=33 M=29 L=21

TR CU 019/2011
TR CU 020/2011
(GOST R 12.4.208-99,
GOST R 12.4.210-99)