4K HDMI Splitter:This HDMI Splitter 1 in 4 out, 4 port hdmi splitter ,can copy 1 HDMI input signal to 4 identical HDMI output signals, simultaneous transmission of video and audio, no delay, no flicker, no resolution degradation; Plug and Play, no external driver required(The 1x4 hdmi splittre Only mirroring/copying, no extended switching, not hdmi switcher, Does Not Support 4 Input 1 Out).