8K HDMI cable supports high bandwidth HDR with a 48 Gbps bandwidth as specified in HDMI 2.1 standard; The 8K HDMI cord offers more than 2x the HDMI 2.0 bandwidth of existing 4K HDMI cables; Supports a 21:9 cinema aspect ratio, HDCP 2.2, 32 audio channels and a 1536 kHz sampling rate High-speed HDMI to HDMI cable supports up to 8K (7680×4320) including 4K and 1080p; Fully compatible with HDMI ARC (Audio Return Channel) features for immersive audio support including Dolby Atmos and DTS X surround sound 7.1 and 5.1