DONIC Sound System TechnologyDONIC’s New Rubber Technology Gallardo Power Sound and Gallardo Sound use a combination of natural and synthetic sponge developed with the newest Japanese rubber technology. Natural and synthetic sponge are often combined to produce rubber that is more dynamic. If the proportion of synthetic sponge is too high, the rubber will be highly elastic, but will split easily. It requires special technique to combine various types of synthetic sponge without shortening the life span of the rubber. This is the secret of DONIC`s new Sound System: It is highly elastic, has a distinctively loud sound, is extremely powerful and fast, but great control is produced due to specially selected sponge. This results in fantastic touch plus a longer life span for the rubber! Sound System: Now with even more power and sound. | 
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