The Sony BRAVIA Master Series OLED XR55A90JU, part of the A90J series is the successor to the ever popular AG9 OLED Master Series now bringing technology used in image mastering within the film industry and combining that with the new Cognitive Processor XR. The XR55A90JU will offer a whole new viewing experience through the new delivering the best picture quality seen on a Sony TV to date including Dolby Vision, HDR10 and HLG HDR Processing.4K Ultra HD OLED - the most vibrant visuals available Dynamic Dolby Vision HDR - incredible contrast & colour Smart TV - catch up, movies & more Dolby Atmos® delivers incredible surround sound 4 HDMI ports - plug in lots of devices at once