{"product_id":"st-nmxc42a-8k-hdmi-4x2-matrix","title":"ST-NMXC42A 8K HDMI 4x2 Matrix","description":"\u003cp\u003e\u003cstrong\u003eThis 8K HDMI 4x2 Matrix can not only switch any of the four HDMI input signals, but also distribute it to two displays simultaneously. The video resolution is up to 8K@60Hz 4:2:0. It supports eARC function (only for INPUTS 1 port and OUT 1 port). Built-in EDID DIP switch supports advanced EDID management. It also supports audio de-embedding function. As able to be used either as a splitter or a switcher, this multi-functional product can be widely applied in scenarios of demonstration, video conference, multimedia teaching and other occasions requiring for big-screen demonstration.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e☆ HDMI 2.1 and HDCP 2.3 compliant\u003cbr\u003e\n☆ Support 40Gbps video bandwidth\u003cbr\u003e\n☆ Support video resolution up to 8K@60Hz 4:2:0 10bit, 8K@30Hz 4:4:4 10bit, 4K@120Hz 4:4:4 10bit\u003cbr\u003e\n☆ VRR, FVA, ALLM supported\u003cbr\u003e\n☆ Support HDR, HDR10, HDR10+, Dolby Vision, HLG pass through\u003cbr\u003e\n☆ Support HDMI audio formats: LPCM, Dolby Digital\/Plus\/EX, Dolby TrueHD, Dolby Atmos, DTS, DTS-EX, DTS-96\/24, DTS High Res, DTS-HD Master Audio, DSD\u003cbr\u003e\n☆ INPUTS 1 port and OUT 1 port support eARC\/ARC function\u003cbr\u003e\n☆ Allows HD audio up to Dolby Atmos, DTS:X over TrueHD from ANY external HDMI source to any eARC\/ARC sound system\u003cbr\u003e\n☆ Support audio de-embedding function (output through the optical and analog port)\u003cbr\u003e\n☆ Built-in EDID DIP switch supports advanced EDID management\u003cbr\u003e\n☆ 8K→4K, 8K\/4K→2K downscaler support\u003cbr\u003e\n☆ Support IR remote control and front panel button switching\u003cbr\u003e\n☆ Built-in Equalizer, Retiming and Driver\u003cbr\u003e\n☆ Compact design for easy and flexible installation\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e① 1× 8K HDMI 4x2 Matrix\u003cbr\u003e\n② 1× IR Remote\u003cbr\u003e\n③ 1× 5V\/2A Multinational Power Supply\u003cbr\u003e\n④ 1× User Manual\u003c\/p\u003e\n\n\u003cstyle\u003e\n  .matrix42-wrap { width: 100%; font-family: Arial, sans-serif; font-size: 14px; color: #222; }\n  .matrix42-wrap h2 { font-size: 16px; margin: 28px 0 8px; border-bottom: 2px solid #222; padding-bottom: 4px; text-align: center; }\n  .matrix42-wrap h3 { font-size: 14px; margin: 18px 0 6px; }\n  .matrix42-wrap table { width: 100%; border-collapse: collapse; margin-bottom: 16px; }\n  .matrix42-wrap th { background: #333; color: #fff; text-align: left; padding: 7px 10px; font-size: 13px; }\n  .matrix42-wrap td { padding: 6px 10px; border: 1px solid #ccc; vertical-align: top; }\n  .matrix42-wrap tr:nth-child(even) td { background: #f5f5f5; }\n  .matrix42-wrap .group td { background: #e0e0e0; font-weight: bold; font-size: 13px; }\n  .matrix42-wrap td:first-child { font-weight: bold; width: 38%; }\n  .matrix42-wrap img { width: 100%; height: auto; display: block; }\n  .matrix42-wrap img.img-center-small { width: auto; max-width: 220px; display: block; margin-left: auto; margin-right: auto; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"matrix42-wrap\"\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParameter\u003c\/th\u003e\n      \u003cth\u003eDescription\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eVideo\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHDMI Compliance\u003c\/td\u003e\n\u003ctd\u003eHDMI 2.1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHDCP Compliance\u003c\/td\u003e\n\u003ctd\u003eHDCP 2.3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVideo Bandwidth\u003c\/td\u003e\n\u003ctd\u003e40 Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVideo Resolution\u003c\/td\u003e\n\u003ctd\u003eUp to 8K@60Hz 4:2:0 10-bit, 8K@30Hz 4:4:4 10-bit, 4K@120Hz 4:4:4 10-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eColor Space\u003c\/td\u003e\n\u003ctd\u003eRGB 4:4:4, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eColor Depth\u003c\/td\u003e\n\u003ctd\u003e8\/10\/12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHDR Support\u003c\/td\u003e\n\u003ctd\u003eHDR, HDR10, HDR10+, Dolby Vision, HLG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGaming Features\u003c\/td\u003e\n\u003ctd\u003eVRR, FVA, ALLM supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eAudio\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHDMI Audio Formats\u003c\/td\u003e\n\u003ctd\u003eLPCM, Dolby Digital\/Plus\/EX, Dolby TrueHD, Dolby Atmos, DTS, DTS-EX, DTS-96\/24, DTS High Res, DTS-HD Master Audio, DSD\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOptical Audio Output\u003c\/td\u003e\n\u003ctd\u003eUp to LPCM \/ Dolby \/ DTS 5.1 CH\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAnalog Audio Output\u003c\/td\u003e\n\u003ctd\u003eLPCM 2.0 CH\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eeARC \/ ARC\u003c\/td\u003e\n\u003ctd\u003eSupported on INPUTS 1 port and OUT 1 port\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eConnection\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e4× HDMI IN (Type A, 19-pin female)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003e2× HDMI OUT (Type A, 19-pin female), 1× Optical (S\/PDIF), 1× L\/R (3.5mm Stereo Mini-jack)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003e1× SERVICE (Micro USB, firmware update port)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eRecommended HDMI Cable Length\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e8K\u003c\/td\u003e\n\u003ctd\u003eUp to 3 m \/ 10 ft — Ultra High Speed HDMI 2.1 cable required\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4K@60Hz\u003c\/td\u003e\n\u003ctd\u003eUp to 8 m \/ 26 ft — HDMI 2.0 cable required\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4K@24Hz\u003c\/td\u003e\n\u003ctd\u003eUp to 12 m \/ 39 ft — HDMI 1.4 cable required\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1080P\u003c\/td\u003e\n\u003ctd\u003eUp to 15 m \/ 49 ft — HDMI 1.4 cable required\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eProtection\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESD Protection\u003c\/td\u003e\n\u003ctd\u003e±8 kV (Air-gap discharge), ±4 kV (Contact discharge) — Human body model\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003ePhysical\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eMetal Enclosure — Black\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e200 × 85 × 21 mm (W × D × H)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e411 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003ePower\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eInput: AC 100–240V 50\/60Hz; Output: DC 5V\/2A (US\/EU standards, CE\/FCC\/UL certified)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.05 W (Max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eEnvironment\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C – 40°C \/ 32°F – 104°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C – 60°C \/ -4°F – 140°F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e20% – 90% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOperation Controls and Functions\u003c\/h2\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0802\/0410\/3901\/files\/Screenshot_2026-06-04_150431.png?v=1780575577\" alt=\"Operation Controls and Functions\"\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth style=\"width: 8%;\"\u003eNo.\u003c\/th\u003e\n      \u003cth style=\"width: 22%;\"\u003eName\u003c\/th\u003e\n      \u003cth\u003eFunction Description\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e1\u003c\/td\u003e\n      \u003ctd\u003eIR Window\u003c\/td\u003e\n      \u003ctd\u003eIR input signal receiving window.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2\u003c\/td\u003e\n      \u003ctd\u003ePOWER LED\u003c\/td\u003e\n      \u003ctd\u003eGreen: device is working normally. Red: device is in standby mode.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e3\u003c\/td\u003e\n      \u003ctd\u003eOUT 1 LED (1~4)\u003c\/td\u003e\n      \u003ctd\u003eWhen INPUTS 1\/2\/3\/4 is selected as the signal source for OUT 1, the corresponding green LED 1\/2\/3\/4 will be on.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e4\u003c\/td\u003e\n      \u003ctd\u003eOUT 2 LED (1~4)\u003c\/td\u003e\n      \u003ctd\u003eWhen INPUTS 1\/2\/3\/4 is selected as the signal source for OUT 2, the corresponding green LED 1\/2\/3\/4 will be on.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e5\u003c\/td\u003e\n      \u003ctd\u003eeARC LED\u003c\/td\u003e\n      \u003ctd\u003eThe eARC LED will be on when the eARC function is turned on.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e6\u003c\/td\u003e\n      \u003ctd\u003eeARC Button\u003c\/td\u003e\n      \u003ctd\u003ePress to turn on\/off the eARC function.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e7\u003c\/td\u003e\n      \u003ctd\u003eOUT 1~2 Button\u003c\/td\u003e\n      \u003ctd\u003eUsed to select the signal source for OUT 1\/2. Press OUT 1\/2 button to switch any of the four HDMI input signals to the corresponding output port.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e8\u003c\/td\u003e\n      \u003ctd\u003eCONFIG DIP Switch\u003c\/td\u003e\n      \u003ctd\u003eSets the working mode (x = 1 or 0):\u003cbr\u003e\n        1xx — Matrix mode\u003cbr\u003e\n        0xx — Splitter mode\u003cbr\u003e\n        x11 — OUT 2 pass-through mode\u003cbr\u003e\n        x10 — OUT 2 scaler mode (8K→4K)\u003cbr\u003e\n        x01 — OUT 2 scaler mode (8K\/4K→1080P)\u003cbr\u003e\n        x00 — OUT 2 pass-through mode\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e9\u003c\/td\u003e\n      \u003ctd\u003eEDID DIP Switch\u003c\/td\u003e\n      \u003ctd\u003eSets EDID mode:\u003cbr\u003e\n        111 — Copy OUT 1 port sink EDID (factory default)\u003cbr\u003e\n        110 — HDMI 1080p@60Hz, Audio 2ch PCM\u003cbr\u003e\n        101 — HDMI 4K@60Hz 4:4:4, Audio 2ch PCM\u003cbr\u003e\n        100 — HDMI 4K@60Hz 4:4:4, Audio 5.1ch PCM\/DTS\/Dolby\u003cbr\u003e\n        011 — HDMI 4K@60Hz 4:4:4, Audio 7.1ch PCM\/DTS\/Dolby\/HD\u003cbr\u003e\n        010 — HDMI 8K@60Hz 4:2:0 + 8K@30Hz 4:4:4, Audio 2ch PCM\u003cbr\u003e\n        001 — HDMI 8K@60Hz 4:2:0 + 8K@30Hz 4:4:4, Audio 5.1ch PCM\/DTS\/Dolby\u003cbr\u003e\n        000 — HDMI 8K@60Hz 4:2:0 + 8K@30Hz 4:4:4, Audio 7.1ch PCM\/DTS\/Dolby\/HD\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e10\u003c\/td\u003e\n      \u003ctd\u003eSERVICE\u003c\/td\u003e\n      \u003ctd\u003eMicro USB firmware update and debug port.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e11\u003c\/td\u003e\n      \u003ctd\u003eOUT (1~2) Port\u003c\/td\u003e\n      \u003ctd\u003eHDMI output ports. Connect to HDMI display devices (e.g. TV, monitor) with HDMI cables. Note: When eARC is OFF, OUT 1 works as a standard output. When eARC is ON, connect OUT 1 (eARC) to an HDMI TV with eARC function.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e12\u003c\/td\u003e\n      \u003ctd\u003eINPUTS (1~4) Port\u003c\/td\u003e\n      \u003ctd\u003eHDMI input ports. Connect to HDMI source devices (e.g. DVD, PS5) with HDMI cables. Note: When eARC is OFF, INPUTS 1 works as a standard input. When eARC is ON, connect INPUTS 1 (eARC) to a soundbar to output the audio signal returned from OUT 1 (eARC).\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e13\u003c\/td\u003e\n      \u003ctd\u003eOPTICAL\u003c\/td\u003e\n      \u003ctd\u003eOptical fiber audio output port (S\/PDIF). Note: Muted when eARC function is turned on.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e14\u003c\/td\u003e\n      \u003ctd\u003eL\/R\u003c\/td\u003e\n      \u003ctd\u003e3.5mm analog stereo audio output port. Note: Muted when eARC function is turned on.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e15\u003c\/td\u003e\n      \u003ctd\u003eDC 5V\u003c\/td\u003e\n      \u003ctd\u003eDC 5V\/2A power input port.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eIR Remote\u003c\/h2\u003e\n\u003cimg class=\"img-center-small\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0802\/0410\/3901\/files\/Screenshot_2026-06-04_150522.png?v=1780575598\" alt=\"IR Remote\"\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth style=\"width: 30%;\"\u003eButton\u003c\/th\u003e\n      \u003cth\u003eFunction Description\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e① Power\u003c\/td\u003e\n      \u003ctd\u003ePower on the device or set it to standby mode.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e② eARC\u003c\/td\u003e\n      \u003ctd\u003ePress to turn on\/off eARC function. When eARC is turned on, the eARC LED on the front panel will illuminate.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e③ OUT A \/ OUT B — 1\/2\/3\/4\u003c\/td\u003e\n      \u003ctd\u003ePress 1, 2, 3 or 4 directly to select the relevant input source for OUT 1 \/ OUT 2 display. Or press ◄\/► to select the previous or next input source.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplication Example\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eSituation 1:\u003c\/strong\u003e\u003cbr\u003e\nWhen the eARC function is turned off, the connection diagram is as following.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0802\/0410\/3901\/files\/Screenshot_2026-06-04_150615.png?v=1780575723\" alt=\"Application Example - eARC Off\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eSituation 2:\u003c\/strong\u003e\u003cbr\u003e\nWhen the eARC function is turned on, connect the \"INPUTS 1 (eARC)\" port to a Soundbar to output the audio signal returned from the \"OUT 1 (eARC)\" port, the INPUTS 1 LED for OUT 1 lights on, the connection diagram is as following.\u003cbr\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e\u003cbr\u003e\n(1) If the HDTV supports eARC\/ARC function, the Soundbar will receive the audio signal returned from the HDTV, and then emit the sound; otherwise it will not emit sound.\u003cbr\u003e\n(2) If the HDTV supports eARC\/ARC function, but the Soundbar only supports ARC function, please turn off the eARC function of the HDTV.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0802\/0410\/3901\/files\/Screenshot_2026-06-04_150647.png?v=1780575767\" alt=\"Application Example - eARC On\"\u003e\n\n\u003c\/div\u003e","brand":"staison","offers":[{"title":"Default Title","offer_id":52240839540967,"sku":null,"price":0.0,"currency_code":"SAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8144\/3559\/files\/ST-NMXC42A_front_and_back.jpg?v=1782131725","url":"https:\/\/gitcoav.com\/products\/st-nmxc42a-8k-hdmi-4x2-matrix","provider":"Greenshore International Trading Company ","version":"1.0","type":"link"}