t.akustik SC Diffuser, Acoustic Diffuser, Based on a quadratic residual value sequence for dispersing sound reflections, Increases the spatial perception of small and medium-sized rooms, Well suited for recording studios, theatres and hi-fi environments, Material: Waxed aspen wood, rear side made of birch veneer, Effective frequency range from 1250 Hz, Dimensions (W x D x H): 520 x 1040 x 76 mm, Weight: 12 kg