Features: - Effective acoustic element to optimize the sound of a room - Optimization of room reflections in the midrange and high midrange - Two-dimensional QRD diffuser - Two-dimensional QRD diffuser - Made of untreated birch plywood - Enables professional and higher quality work in recording and control rooms - Provides an audiophile Hi-Fi listening experience - Can be combined with HOFA removable frames for flexible room acoustics - Possibility of hanging without a frame on the back - Dimensions: 500 x 500 x 110 mm - 36 internal divisions of 80 x 80 mm each - Weight: approx. 2 kg - Color: Natural