Headphones '' TON-2M ''.
Headphones, headphones, headsets ...Headphones "TON-2M" have been produced since 1986 by the Tula plant "Oktava". The telephones are designed to operate in a low-voltage radio transmission network with voltages up to 30 volts. The range of reproducible frequencies is 300 ... 3000 Hz. DC resistance at the input of the plug 3 kOhm, AC 12 kOhm.
