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This 3.3-foot red plenum-rated active fiber optic HDMI 2.1 cable is designed for gaming and permanent home theater concealed installation. It meets strict fire safety standards to be routed inside walls, pipes and ceiling plenums without safety hazards. Equipped with complete 48Gbps ultra-high speed bandwidth, it renders crisp 8K@60Hz ultra-high definition images and ultra-smooth 4K@120Hz / 144Hz high-frame-rate gameplay. It supports HDR10 dynamic color tuning, eARC channel for lossless surround sound, dual HDCP 2.2/2.3 protected media playback and immersive 3D content. Unlike traditional copper cables, the fiber construction blocks electromagnetic interference to maintain consistent clear audio and video transmission. Slim flexible body fits narrow wiring spaces, plug-and-play without extra drivers, ideal for PS5, Roku TV, HDTV and Blu-ray playback setups.