<b>INRO</b><br>4K HDMI Matrix Switch 4x2 get four HDMI sources to two HDMI displays reliably,HDMI2.0 4K@60Hz 4:4:4 18Gbps 8bit HDR D-o-l-b-y Vision, 1080P 120Hz, firmware upgrade via micro-USB port. HDMI OUT 1(A) can down-scale 4K to 1080P, 4K & 1080P TV can work together. Extra SPDIF Optical 5.1CH audio breakout offer hifi audio without TV.<br><br>1. To get 4K HDR TV ,7.1CH Soundbar work in sync // OR D-o-l-b-y Atmos,D-o-l-b-y Vision in sync, pls ensure HDMI Source, TV, Receiver/soundbar support them, set EDID 1 2 OFF 3 4 ON <br> 2. To get 4K HDR TV, 1080p Capture Card work in sync, pls get 1080p capture card to Matrix OUT 1, 4K HDR TV to OUT 2, set EDID 1ON 2ON 3OFF 4OFF<br>3. DIP 1 set HDCP, DIP 2 set HDMI Down Scaler. DIP 3, 4 set EDID <br><br><b>.SPEC.</b><br>HDMI Video: HDMI 2.0,HDCP 2.2,4K 60Hz YUV 4:4:4 8bit 18Gbps HDR D-o-l-b-y Vision, 4K 60Hz 4:2:2 10bit HDR10,4K2K/1080p/1080i,1440P 120Hz /60Hz,24bit,30bit,36bit deep color<br>HDMI Audio:Digital 7.1CH Audio,D-o-l-b-y Atmos,TrueHD,DTS:X,DTS-HD Master,LPCM 2.1/5.1/7.1CH <br>HDMI 2.0 standard cable <5m AWG26 for 4K60Hz<br>Firmware:If any using issue,pls upgrade firmware refer to Installation Instruction on product page.<br>Power Adapter: Input AC 100V-240V/ 50Hz,60Hz;Output DC 5V/2A;Threaded power adapter to prevent power loss.<br><b> Based on research,the most of buyers who returned it,due to get incorrect way to use matrix or don` t use HDMI2.0 standard cable. PLS use less than 15mtr qualified HDMI2.0 cable for 1080P. PLS read Installation Instruction on product page carefully,it can help you. Or Click sold by EZCOOTECH to get Seller Technical Support by on-line Message.</b><br>High compliance with Soundbar,High End Twitch Streamer or Video game etc. IR remote code is in Logitech Harmony system. 30days FREE refund return policy.<br>NO CEC. NO ARC.NOT for Sonos ARC. <br>NOT extend screen, only COPY. NOT UP SCALER. NOT AUTO SWITCH.NO KVM.