Fiber Optic HDMI Cables - discreet 4K at Blazing-Fast Speeds! Send high-res video, audio, and data through walls and across distances up to 50m with Binary’s all-new B8 Series Active Fiber HDMI cables. With more install flexibility than traditional active models, these heavy-duty fiber cables transmit 18Gbps of full 4K UHD with HDR wherever it’s needed, and are compatible with the latest HDMI specifications, including HDMI 2.0b. They’re also conveniently CL2 rated to go inside the wall, making any media system more discreet. Learn more.