The cable\'s built-in amplifier circuitry actively boosts the HDMI signal with no external power required. It supports longer connections than regular HDMI. The active cable also features a thinner wire construction for more flexibility, making it ideal for in-wall installations. This 4K HDMI cable supports resolutions of up to 4K@60Hz (3840 x 2160p) and bandwidths of up to 18Gbps. It also supports HDR (High Dynamic Range) for higher contrast ratio and vivid colors.