EZCOO HDMI 2.0 Matrix 4x2 4K 60Hz 4:4:4 18Gbps HDR Dolby Vision HDCP 2.2, Audio Breakout SPDIF Optical 5.1CH, Support HDMI Scaler 4K 1080P Work Together, with Firmware Upgrade

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About EZCOO HDMI 2.0 Matrix 4x2 4K 60Hz 4:4:4 18Gbps HDR

INTROEasy control 4K HDMI Matrix Switcher distributes four HDMI sources to two HDMI displays reliably, via firmware micro-USB port. Buyer can update firmware easily. Especially HDMI OUT 1 can down-scale 4K to 1080P, NO 1080i. 4K and 1080P TV can play together. And SPDIF Optical 5.1CH audio works well without TV connection. Intelligent HDMI 4 in 2 out Matrix / 4K HDMI switch 4x2 for commercial rental business, conference.Trouble Shooting1. Please connect 4K TV to HDMI Matrix OUT 2 firstly; after 4K TV display well, please connect the second display device to HDMI Matrix OUT 1.2. Please connect 1080p HDMI display to matrix OUT 1, especially when 4K and 1080p TV work together.3. When turn off TVs, matrix, please turn on HDMI Matrix OUT 2 4K TV firstly, especially when 4K and 1080p TV work together.4. If your HDMI source, display devices support both HDR Dolby Vision and Dolby Atmos, then HDMI Matrix can support both accordingly.5. About HDR, please connect HDMI source to TV directly without matrix, test if TV can support HDMI source HDR. When TV can not display HDMI source HDR info correctly, that means TV issue, not matrix issue. 6. About HDR, please set HDMI source device HDR feature same as HDMI Matrix HDR after step 5 testing.7. DE-embed SPDIF Optical 5.1CH follows HDMI Matrix OUT 2, no need TV connection.8. Please ensure HDMI 2.0 cable be qualified.9. Does not support CEC.About Down Scaler function 1. Only HDMI Matrix OUT 1 supports down-scaling, and only down-scale 4K to 1080p, NO another resolution; Does NOT support down-scale 4K HDR Dolby Vision.2. Does not support up-scaling.