 Many of these were recognised at the National Exhibition of Industrial Achievements, including the TG-12 headphones and MD-82 microphone (bronze medal, 1983), MCE-9 microphone (bronze medal, 1984), TDS-2 telephone (bronze medal, 1985), and MD-86 microphone (2nd Diploma, 1986).In the same period, they also began producing hearing aids, with the Electronica and Y-03 hearing aids going into production in 1993.Oktava started exporting during the mid-1990s after modernizing the factory, and their microphones were well received in the west for their reasonable quality and competitive price.