Contrast Audio is already well known company with 20-ty years exprerience in sphere of constracting and develompment of self-component loudspeakers systems which has their special sound character due to the use of natural materials as well manual labour and quality control at all munufacturing stages.
 We believe that only right suited materials such as paper cone, paper reel, cloth cone suspension, silk tweeter cone etc. can give the right correct tembral and correctness taste of the sound.