Available fire rate: FG | Furniture GradeSparta Absorber Materials: - Acoustic fabric - Structural frame - Calibrated cell acoustic foamDimensions | 595x1190x60mm Sparta Speaker Materials: - The panels are wrapped in carefully selected fabric, that has a minimal effect on speaker output performance. - Marine-grade plywood structural frame Dimensions | 595x1190x60mm Compatible with built-in speakers up to the following sizes: Vertical panel - 460 x 420mm Horizontal panel - 420 x 460mm Integrated fixing system. This panel can be rotated 90º to any orientation. The new Artnovion Stealth line of acoustic products are easy-to-use tools for unimpeded acoustic design. This range of acoustic treatment solutions allows you to seamlessly incorporate and cover speakers, cabling, and all the acoustic treatment a home cinema requires, all behind a continuous fabric front, simplifying many aspects of a home cinema install. The Artnovion home cinema Stealth Line brings a new approach to seamlessly incorporating absorber, diffusers and speakers into cinema design. Fixing system: This panel is installed with an integrated fixing system, hung on screws.