Three acoustic panels creating the shape of a hexagon, or 3D cube. It protects against unwanted sound reflections and serves to correct spatial acoustics. The shape of the profile allows the foam to rotate freely and create interesting design patterns. Suitable for recording studios, home and public cinemas, meeting offices, music schools or rehearsal rooms, or home cinemas. Thanks to the dense cellular structure, compact dimensions and low weight, it is suitable for mounting on the wall and ceiling and is also a great decorative accessory. The panel offers increased absorption of sound waves incident at an angle due to multiple passes through layers of material, and thanks to its structure, it also offers improved absorption of high frequencies. Acoustic diamonds in the color anthracite and gray are made of material with reduced flammability, it meets the MVSS 302 - SE/NBR - self-extinguishing foam standard and the DIN 4102 B2 standard. The lightest rhombus is made of Basotec material, which is non-flammable and has a constant color.