Sorry, this page is not translated yet. Automatic translation used.
The Kristall hearing aid has been manufactured since 1956 by the Moscow Hearing Aid Plant. Designed to compensate for hearing loss by air or bone conduction. Power supply from the 1st element of type A. Maximum acoustic amplification 55 dB. Power consumption 10 mW. Dimensions 59x82x19 mm. Weight 125 gr.