Fibbr HDMI 4k@50/60 Active Optical Cable (AOC) 60 Feet HDMI 1.4b 4K@50/60 Active Optical Cable (AOC) 60Feet Support HDCP1.3/2.2 and also CEC function 4K@50/60 (2160p), which is 4 times the clarity of 1080p/60 video resolution Up to 32 audio channels for a multi-dimensional immersive audio experience Up to 1536kHz audio sample frequency for the highest audio fidelity