{"product_id":"st-nmxb44c-18gbps-4x4-hdmi-matrix","title":"ST-NMXB44C 18Gbps 4x4 HDMI Matrix","description":"\u003cp\u003e\u003cstrong\u003eThe 4x4 HDMI Matrix supports the transmission of video signal (up to 4K2K@60Hz YCbCr 4:4:4) with multichannel digital audio from up to four high definition sources to up to four HDMI outputs. Each output supports downscaler functionality. It can display the same or different screen on four displays (the user can choose the display screen for any signal source). Also, the product has distribution mode and switching mode.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e☆ HDMI 2.0b, HDCP 2.2 \/ 1.x and DVI 1.0 compliant\u003cbr\u003e\n☆ Up to 4K2K@60Hz with 24bit RGB\/YCbCr 4:4:4\u003cbr\u003e\n☆ HDR, HDR10, HDR10+, Dolby Vision passthrough\u003cbr\u003e\n☆ Support LPCM 7.1CH, Dolby TrueHD, and DTS-HD Master Audio\u003cbr\u003e\n☆ Support 4K→1080P Downscaler\u003cbr\u003e\n☆ Support advanced EDID management\u003cbr\u003e\n☆ Flexible control via panel or IR remote control\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e① 1× 4×4 HDMI Matrix\u003cbr\u003e\n② 1× 12V\/2.5A Power Adapter\u003cbr\u003e\n③ 1× Matrix IR Remote Control\u003cbr\u003e\n④ 1× User Manual\u003cbr\u003e\n⑤ 2× Mounting Ears\u003c\/p\u003e\n\n\u003cstyle\u003e\n  .hdmi44-wrap { width: 100%; font-family: Arial, sans-serif; font-size: 14px; color: #222; }\n  .hdmi44-wrap h2 { font-size: 16px; margin: 28px 0 8px; border-bottom: 2px solid #222; padding-bottom: 4px; text-align: center; }\n  .hdmi44-wrap h3 { font-size: 14px; margin: 18px 0 6px; }\n  .hdmi44-wrap table { width: 100%; border-collapse: collapse; margin-bottom: 16px; }\n  .hdmi44-wrap th { background: #333; color: #fff; text-align: left; padding: 7px 10px; font-size: 13px; }\n  .hdmi44-wrap td { padding: 6px 10px; border: 1px solid #ccc; vertical-align: top; }\n  .hdmi44-wrap tr:nth-child(even) td { background: #f5f5f5; }\n  .hdmi44-wrap .group td { background: #e0e0e0; font-weight: bold; font-size: 13px; }\n  .hdmi44-wrap td:first-child { font-weight: bold; width: 38%; }\n  .hdmi44-wrap img { width: 100%; height: auto; display: block; }\n  .hdmi44-wrap img.img-center-small { width: auto; max-width: 180px; display: block; margin-left: auto; margin-right: auto; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"hdmi44-wrap\"\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eTechnical\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHDMI Compliant\u003c\/td\u003e\n\u003ctd\u003eHDMI 2.0b\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHDCP Compliant\u003c\/td\u003e\n\u003ctd\u003eHDCP 2.2 \/ 1.x\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVideo Bandwidth\u003c\/td\u003e\n\u003ctd\u003e594MHz \/ 18Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVideo Resolution\u003c\/td\u003e\n      \u003ctd\u003e\n        480i ~ 1080p 50\/60Hz, 4Kx2K@24\/30Hz, 4K2K@60Hz\u003cbr\u003e\n        8-bit (4K2K@60Hz YUV4:4:4)\u003cbr\u003e\n        8-bit, 10-bit, 12-bit (4K2K@60Hz YCbCr 4:2:2 \/ 4:2:0)\u003cbr\u003e\n        8-bit, 10-bit, 12-bit (1080p@60Hz)\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eColor Space\u003c\/td\u003e\n\u003ctd\u003eRGB, YCbCr 4:4:4 \/ 4:2:2, YUV 4:2:0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eColor Depth\u003c\/td\u003e\n\u003ctd\u003e8-bit, 10-bit, 12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHDMI Audio Formats\u003c\/td\u003e\n\u003ctd\u003eLPCM 7.1CH, Dolby TrueHD, and DTS-HD Master Audio\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESD Protection\u003c\/td\u003e\n\u003ctd\u003eHuman-body Model: ±8kV (Air-gap discharge), ±4kV (Contact discharge)\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\u003e\n        4× HDMI Type A [19-pin female]\u003cbr\u003e\n        1× IR Receiver Window\u003cbr\u003e\n        1× Micro USB\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003e4× HDMI Type A [19-pin female]\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eMechanical\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eMetal Enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e220mm (W) × 105mm (D) × 19mm (H)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e535g\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\u003e\n        Input: AC 100~240V 50\/60Hz\u003cbr\u003e\n        Output: DC 12V\/2.5A (US\/EU standard, CE\/FCC\/UL certified)\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e11.04W\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr class=\"group\"\u003e\u003ctd colspan=\"2\"\u003eEnvironmental\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\n\u003ch3\u003eFront Panel\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0802\/0410\/3901\/files\/Screenshot_2026-06-04_110904.png?v=1780560804\" alt=\"Front Panel\"\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\u003c\/td\u003e\n      \u003ctd\u003eIR receive 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\u003eThe red LED illuminates when the device is working or on standby.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e3\u003c\/td\u003e\n      \u003ctd\u003eOUT 1\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003eButton:\u003c\/strong\u003e Short press to switch the input selected by OUT 1; Long press for 3s to turn on\/off the downscaler corresponding to OUT 1.\u003cbr\u003e\u003cstrong\u003eLED:\u003c\/strong\u003e When switching to the corresponding input source, the corresponding input LED illuminates green; otherwise, the LED will not light up.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e4\u003c\/td\u003e\n      \u003ctd\u003eOUT 2\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003eButton:\u003c\/strong\u003e Short press to switch the input selected by OUT 2; Long press for 3s to turn on\/off the downscaler corresponding to OUT 2.\u003cbr\u003e\u003cstrong\u003eLED:\u003c\/strong\u003e When switching to the corresponding input source, the corresponding input LED illuminates green; otherwise, the LED will not light up.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e5\u003c\/td\u003e\n      \u003ctd\u003eOUT 3\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003eButton:\u003c\/strong\u003e Short press to switch the input selected by OUT 3; Long press for 3s to turn on\/off the downscaler corresponding to OUT 3.\u003cbr\u003e\u003cstrong\u003eLED:\u003c\/strong\u003e When switching to the corresponding input source, the corresponding input LED illuminates green; otherwise, the LED will not light up.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e6\u003c\/td\u003e\n      \u003ctd\u003eOUT 4\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003eButton:\u003c\/strong\u003e Short press to switch the input selected by OUT 4; Long press for 3s to turn on\/off the downscaler corresponding to OUT 4.\u003cbr\u003e\u003cstrong\u003eLED:\u003c\/strong\u003e When switching to the corresponding input source, the corresponding input LED illuminates green; otherwise, the LED will not light up.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e7\u003c\/td\u003e\n      \u003ctd\u003eSERVICE\u003c\/td\u003e\n      \u003ctd\u003eConnect to PC via Micro to USB cable for firmware upgrade.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRear Panel\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0802\/0410\/3901\/files\/Screenshot_2026-06-04_111001.png?v=1780560940\" alt=\"Rear Panel\"\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\u003eINPUT\u003c\/td\u003e\n      \u003ctd\u003eConnect to HDMI source device such as DVD player or PC.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2\u003c\/td\u003e\n      \u003ctd\u003eOUTPUT\u003c\/td\u003e\n      \u003ctd\u003eConnect to HDMI display device such as TV or Projector.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e3\u003c\/td\u003e\n      \u003ctd\u003eEDID\u003c\/td\u003e\n      \u003ctd\u003eEDID SWITCH control.\u003cbr\u003e\n        0000 — 1080P, Stereo Audio 2.0\u003cbr\u003e\n        0001 — 1080P, Dolby\/DTS 5.1\u003cbr\u003e\n        0010 — 1080P, HD Audio 7.1\u003cbr\u003e\n        0011 — 4K2K30_444, Stereo Audio 2.0\u003cbr\u003e\n        0100 — 4K2K30_444, Dolby\/DTS 5.1\u003cbr\u003e\n        0101 — 4K2K30_444, HD Audio 7.1\u003cbr\u003e\n        0110 — 4K2K60_444, Stereo Audio 2.0 SDR\u003cbr\u003e\n        0111 — 4K2K60_444, Dolby\/DTS 5.1 SDR\u003cbr\u003e\n        1000 — 4K2K60_444, HD Audio 7.1 SDR\u003cbr\u003e\n        1001 — 4K2K60_444, Stereo Audio 2.0 HDR\u003cbr\u003e\n        1010 — 4K2K60_444, Dolby\/DTS 5.1 HDR\u003cbr\u003e\n        1011 — 4K2K60_444, HD Audio 7.1 HDR\u003cbr\u003e\n        1100 — COPY OUTPUT 1\u003cbr\u003e\n        1101 — COPY OUTPUT 2\u003cbr\u003e\n        1110 — COPY OUTPUT 3\u003cbr\u003e\n        1111 — COPY OUTPUT 4\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e4\u003c\/td\u003e\n      \u003ctd\u003eDC 12V\u003c\/td\u003e\n      \u003ctd\u003eDC 12V power supply interface.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eRemote Control\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_111034.png?v=1780560987\" alt=\"IR Remote Control\"\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 button\u003c\/td\u003e\n      \u003ctd\u003ePress this button to power on the device or put it into standby mode.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e② 1\/2\/3\/4 (Output 1)\u003c\/td\u003e\n      \u003ctd\u003ePress buttons 1~4 to select the required source for Output 1.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e③ ◄ ► (Output 1)\u003c\/td\u003e\n      \u003ctd\u003eSelect the last or next input channel among 1\/2\/3\/4 to select the required source for Output 1.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e④ SD (Output 1)\u003c\/td\u003e\n      \u003ctd\u003ePress this button to turn on \/ off the downscaler function.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOutput 2 \/ Output 3 \/ Output 4\u003c\/td\u003e\n      \u003ctd\u003eThe corresponding button function of Output 2\/Output 3\/Output 4 is the same as that of Output 1.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplication Example\u003c\/h2\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0802\/0410\/3901\/files\/Screenshot_2026-06-04_111109.png?v=1780561079\" alt=\"Application Example\"\u003e\n\n\u003c\/div\u003e","brand":"staison","offers":[{"title":"Default Title","offer_id":52240671310055,"sku":null,"price":0.0,"currency_code":"SAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8144\/3559\/files\/ST-NMXB44C_front_and_back..jpg?v=1782126444","url":"https:\/\/gitcoav.com\/ar\/products\/st-nmxb44c-18gbps-4x4-hdmi-matrix","provider":"Greenshore International Trading Company ","version":"1.0","type":"link"}