Acoustical elements of a complex functions of catching-scattering sound, which task is to create an aura sound. Leveling resonance and sound coloration allows poeple to enjoy outstanding sound in each room. Regimes are installed in buildings with specific acoustic requirements: theaters, cinemas, auditoriums. They are designed by taking into account the sampling acoustic (research and expert level), depending on the specifications of acoustic and destination. One of the most important elements is the core, which is constructed in regimes. Various density of the material, the structure, type of raw material, shape, thickness, all of these elements affect the efficiency of the system and its operation extremely meticulous. For this reason, in the construction of diffusers such materials are used: plywood, MDF, gypsum – fiber, natural veneers.