‘Form follows function’: engineered shapes can enhance the visual appeal of any acoustical design while offering the powerful functionality and envelopment of a sound diffuser.

Sonogamma has profound knowledge and practice in the optimization and testing of acoustical scattering surfaces and the implementation of sound diffusing shapes in architecture.

Below you will find products recommended when looking for shape. Select a product or explore our full range.


Washable panels of porous sintered aluminium with high sound absorption

Calme is a highly porous sound absorbing sheet of pure sintered aluminium. Washable, water- and chlorineproof, fireproof, recyclable. Calme can easily be shaped and is convenient for both indoor…

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QR Diffuser

Broadband one-dimensional quadratic residue sound diffuser

The QR Diffuser (QRD) is the ideal broadband sound diffusor, bases on the quadratic residue theory. The diffusion pattern is independent of the angle of incidence. Thanks to the…

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Quadratic residue sound diffuser with improved bandwidth

The Stepfuser is an improved version of the classic QRD diffusor. The combination of two nested diffusor systems enhances the efficiency: a much larger bandwidth and an optimal…

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Acoustic noise diffuser with graphic nature

The Matrix is an omnidirectional sound diffusor based on the QRD principle. The sober, graphic design establishes the Matrix as an attractive architectural element. The Matrix diffusor is…

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A diffuser to stop high-frequency echoes

The echo generated from high and midhigh frequencies between hard, opposite walls are detrimental for speech intelligibility and sound quality in general. To control this echo, often called…

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Uniformly diffusing orchestra shell

The Multiwing is a dynamic orchestra shell presenting unique advantages. While optimizing communication between the musicians on stage according to the renowned number theory diffusion principle, it also…

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