Head stereophonic telephones '' Start TDS-4 ''.
Headphones, headphones, headsets ...Head stereophonic telephones "Start TDS-4" since 1985 have been produced by the Leningrad Plant of Precise Electromechanical Instruments. Stereo telephones are designed for high-quality listening to phonograms from household radio equipment. Operating frequency range 20 ... 20.000 Hz. Passport power 0.5 W. Electrical resistance module 16 Ohm. Weight 500 gr. The price is 16 rubles.
