The R8 Meta can serve as a surround or rear speaker with the integrated wall mount feature, or be placed upon another speaker for Dolby Atmos height to bounce sound off the ceiling, bringing Dolby Atmos to the room with no need for custom installation. R8 features KEF's 12th generation Uni-Q array with MAT to steer the sound for genuine 3D results. Meta Material Absortion technology absorbs 99% of unwanted sound for the most pure and natural sound. Frequency Response (±3dB) 97 Hz - 17.5 kHz Available in three stunning finishes Black Gloss / White Gloss / Walnut