Jews harp with the lowest sound of the family of TV Tatar kubyz has an excellent ratio of price and quality, and by the combination of parameters is one of the most versatile and available tools for simple playing or making forst steps. A tongue of moderate stiffness and a large, sturdy frame will provide an easy acquaintance with the harp any beginner, while the volume, spectral composition of sound and responsiveness can satisfy even the more experienced player provided only simple strokes are used.

Kubyz has a rare technical drawback - with time, depending on the intensity of use, the gaps slightly increase and the high components of the timbre fades away, the piercing and loudness decreasing too. The average full life of the instrument is about a year, after which the deck can be pushed back (not hard to do, but lot of accuracy is required).