4K Ultra HD Blu-ray is a high-definition disc format that offers four times the resolution of standard Blu-ray discs. With a resolution of 3840 x 2160 pixels, it provides stunning picture quality and enhanced detail, making it ideal for large screens. This format also supports High Dynamic Range (HDR), which improves color and contrast, resulting in a more vibrant viewing experience. In addition to superior video quality, 4K Ultra HD Blu-ray discs often include advanced audio formats, such as Dolby Atmos and DTS:X, for immersive sound. These discs are compatible with 4K Ultra HD Blu-ray players and can be enjoyed on 4K TVs, ensuring that viewers experience the best in home entertainment.