These Premium High Speed HDMI Cables have been tested to conform with the Premium HDMI Cable Certification Program for highest performance and ultra-reliability. These cables are ideal for HD Blu-ray and HD DVD video, experiencing resolutions up to 4K60 (3840x2160p), bandwidths up to 18Gbps, HDR for higher contrast ratios and vivid colors, plus 32 uncompressed digital audio channels to provide crystal-clear sound, making them perfect for home theater applications or digital signage.These cables are designed to exceed the highest measure of HDMI performance and will enhance video experiences with higher resolutions, increased speeds, sharper images and are backward compatible with previous HDMI specifications for existing HDMI devices. They also deliver dual video streams, so that two videos can be viewed simultaneously on a single display.Each length of these cables have been tested to deliver the full 18Gbps bandwidth required by the specifications for Premium High Speed HDMI certification.