A.G. Gudkov, А.I. Krukov, V.Y. Leushin, D.I. Tzyganov

Audiotester "Echotest-02" is a device for differential and early diagnostics of various forms of bradyacuasia, us-ing an ultrasound perception phenomenon. The joint use of audiometer and audiotester "Echotest-02" according to Professor . M. Sagalovitch method makes early neurosensory bradyacuasia diagnostics possible which is caused by aminoglycoside antibiotics ef-fect, Minor's desease, presbyacusis, secondary bradyacuasia and other kinds of hearing impairment of children and adults as well as identify indications for surgical operations and hearing aid. Аudiotester "Echotest-02" is a portable device. Main technical parameters of audiotester "Echotest-02": operational frequency 100 kHz; weight 1,6 kg; power supply 220 V, 50 Hz; power consumption 25 V.A; overall dimensions 280х163х80 mm. Audiotester "Echotest-02" is registered in Ministry of Public Health of the Russian Federation and protected by the Russian Federation patent.