The Extron HD Pro Plenum Series are active, hybrid optical-copper cables for high-speed transmission of HDMI digital video and audio signals. These cables conform to Premium High Speed HDMI Cable performance standards and support data rates up to 18 Gbps, video resolutions up to 4K/60 @ 4:4:4, HDR, EDID, HDCP, and CEC. All HDMI audio formats are supported, including PCM 8-channel, Dolby Digital True HD, and DTS-HD Master Audio. Ultra-thin diameter, narrow bend radius cable construction provides ease of installation in tight spaces, including plenum air spaces, without compromising performance. The active cables are unidirectional and draw ultra-low power from the connected HDMI source device.