Polymer acoustic enclosures for walls and ceiling build-in acoustics. Installation is made at the stage when the ceiling is ready. Universal for any speakers. Boxes are made of a porous composite material, the internal space is filled with a synthetic polyester fiber. • Easy and quick installation on the stage of finished ceilings • Reliably protect the embedded speakers from moisture and dust • Significantly improve the quality and detailing of sound • Avoid the propagation of sound in adjacent rooms • Reduce vibration of ceilings and bearing constructions • Observe fire safety rules • The temperature range of use from -56 to +104 °С It's an easy way to qualitatively improve the sound and acoustic insulation of the existent or new acoustics • Additional earnings at the existent objects with built-in acoustics at the expense of resolution of bad sound quality problem or sound insulation because of acoustic boxes absence • 3 years warranty - by using the high-technology materials at the place of production • Corresponding to the standards of using at the commercial objects • Universal for the speakers with a fitment bore from 130 to 260 mm and depth to 150 mm. size 400 х 400 х 120 mm (Ø from 130 to 260 mm)Audio Balance LLC