These active high-speed HDMI cables are the perfect solution for experiencing resolutions up to 4K, 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 ideal for classrooms, conference rooms, houses of worship, and other commercial environments. These cables are designed to meet high measures 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 have a built-in signal booster that supports HDMI A/V connections at longer distances than non-active cables and this cable does not require an external power adapter. They also deliver dual video streams, so that two videos can be viewed simultaneously on a single display.