KEF R50 Dolby Atmos Enabled Speakers $1,450.00 KEF R50 Dolby Atmos Enabled Speakers. The KEF R50 Speakers are designed to sit on top of a freestanding or wall-mounted home theatre satellite speakers. The new KEF R50 adds the all-important vertical sound dimension that allows you to enjoy at home the staggeringly realistic 3D sound image that Dolby Atmos creates in cinemas. Built around KEF’s latest and most sophisticated ‘sit anywhere’ Uni-Q driver array, with a 25mm (1-in.) vented aluminium tweeter at the centre of a potent 130mm (5.25-in.) bass/mid driver, it beams the sound upwards to envelope you in a breathtakingly precise multidimensional soundscape where each sound source moves as it does in real life. Available Gloss Black Only. $1450/pair. Dimensions HxWxD: 6.9 x 7.1 x 10.2” Weight: 9.9 lbs each.