Dynamic microphone `` MD-54 ''.

Microphones.MicrophonesThe dynamic microphone "MD-54" was produced presumably since 1966 by the Tula plant "Oktava". A small-sized microphone with attachment to the breast pocket of a jacket is intended for reporting purposes. The frequency range is 140 ... 10000 Hz. Resistance 250 Ohm. Sensitivity level -88 dB. Dimensions 23x65 mm. Weight 90 gr.