<b>INTRO</b><br> EZ-SP12H2 ezcoo HDMI Splitter 1 in 2 out 4K 60Hz 4:4:4 18Gbps 8bit HDR D-o-l-b-y Vision HDCP2.2,Supports 4K HDR TV & 1080p Capture Card work in sync;D-o-l-b-y Vision D-o-l-b-y Atmos work in sync. Set HDCP via Micro-USB port. (near HDMI IN port) Pls use new HDMI2.0 AWG26 cable less than 3 meter. <br><br>1. When output 4K pls TURN OFF scaler.Two HDMI OUT can down-scale independently, SCALER button 1 down-scale OUT 1; SCALER button 2 down-scale OUT 2, both can down-scale 4K/ 4K HDR 10 to 1080p ONLY, NO ANOTHER resolution. Not Down-scale HDR D-o-l-b-y Vision & frequency. NO VRR,refresh rate.<br> 2. To get D-o-l-b-y Vision Atmos sync,ensure TV/Receiver support them.Set EDID to 4K 7.1,Connect 4K TV to Splitter OUT 1. EDID copy OUT 1 prior.<br> 3. Pls TURN OFF Scaler if play HDR D-o-l-b-y Vision. <br>4. To game user, Pls set graphics card or monitor refresh frequency same as HDMI source refresh frequency,such as HDMI source 4K 60Hz, monitor be 1080P 60Hz.<br>5.mac 4K HDMI splitter not extend screen, only COPY/ Mirror.NO ARC eARC.<br> <b>Pls check USER GUIDE on product page before using it. Sometime, just change HDMI source Video/Audio setting or RESET to solve issue.</b><br><br><b>Package Contents</b><br>1x 4K HDMI Splitter, 1x Micro-USB cable, 1x User Manual <br><b>Audio Video</b><br>HDCP2.2 HDMI2.0 4K 60Hz 4:4:4 18Gbps 8bit HDR D-o-l-b-y Vision,1080p 120hz.<br>HDMI audio:Digital 7.1CH, Atmos,DTS:X, TrueHD, DTS-HD Master,LPCM 2.1/5.1/7.1CH.<br>HDMI Input/Output: HDMI2.0 standard AWG26 cable <3m<br>1.Set EDID 4K to solve HDCP issue<br>2.Fiber HDMI cable, pls pay attention at HDMI cable SOURCE/ DISPLAY port description,plug correct port to correct HDMI source, display device<br>3.To solve 4K issue, pls use qualified less than 3m HDMI2.0 cable;Check if TV HDMI input port is consistent with TV output channel<br>4.For power up issue, pls change power adapter or power device 5. Click sold by EZCOOTECH get Seller Technical Support by AMZN Message.