Sound Balance acoustic curve in dark grey, 1 piece. Absorbs sound, optimising the acoustics in open-plan offices. Acoustic efficiency: sound absorption class B, sound absorption coefficient αw = 0.80 (sound absorption coefficient αw as determined by DIN EN ISO 11654), tested and certified by Müller-BBM, an independent institution for acoustic assessment. With a pre-mounted base made of matt anodised aluminium, the curve is simple to assemble and stands securely in the room. The product is assembled by simply sliding the three interlocking side elements of the curve into place. The acoustic curve is 1000x1400x50 mm in size. With an easy-care fabric surface that can also be used as a pinboard. In combination with other colours and sizes, the acoustic curve is ideal for structuring floor space or creating different zones within an office.