Ultra-Long 50ft Fiber Optic HDMI 2.1 Cable. Why Choose Our Fiber Optic HDMI 2.1 Cable?. One Direction Transmission: This cable must be installed in the correct direction for optimal performance. The "Source" plug connects to HDMI Out devices (e.g., Blu-ray player, Xbox), while the "Display" plug connects to your HDMI display devices (e.g., TV, projector, monitor).
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