The line "Hi-Standard" represents a new standard of quality for speaker systems, installed in a regular place car. It is specially created for lovers of quality sound and is able to satisfy the most demanding requirements. The line also includes speaker system series "STQ", "ICQ", “GX”. Speaker system STQ, ICQ and GX came to light as a result of processing and interpretation of new data about the acoustics of the cabin and features of the loudspeakers in the car. This line of speakers is recommended for direct connection to amplifiers, head unit, however, a considerable reserve of power does not exclude the use of external amplifiers.