{"product_id":"kmbox-nvideo-3-in-1-dma-hardware-video-capture-card-keyboard-mouse-controller-converter","title":"Kmbox Nvideo 3-in-1 Hardware System | HDMI Video Capture Card + Input Control Interface + USB 3.0 High-Speed Device","description":"\u003ch2 data-section-id=\"1kfzlq2\" data-start=\"47\" data-end=\"66\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"50\" data-end=\"66\" data-imt-p=\"1\"\u003eUsage Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"68\" data-end=\"196\" data-imt-p=\"1\"\u003eThis product is provided as a \u003cstrong data-start=\"98\" data-end=\"124\"\u003ehardware-only solution\u003c\/strong\u003e designed for \u003cstrong data-start=\"138\" data-end=\"195\"\u003egeneral computing, development, and research purposes\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"198\" data-end=\"412\" data-imt-p=\"1\"\u003eNo software, firmware, or application-specific tools are included with this product. Users are expected to have the necessary technical knowledge to operate and integrate the hardware within their own environments.\u003c\/p\u003e\n\u003cp data-start=\"414\" data-end=\"564\" data-imt-p=\"1\"\u003ePlease ensure that all usage complies with \u003cstrong data-start=\"457\" data-end=\"487\"\u003elocal laws and regulations\u003c\/strong\u003e. This product is not intended for any unauthorized or improper applications.\u003c\/p\u003e\n\u003cp data-start=\"566\" data-end=\"794\" data-imt-p=\"1\"\u003eBy purchasing and using this product, you acknowledge that all usage scenarios are under your own responsibility. The seller does not participate in, support, or assume liability for any third-party implementations or use cases.\u003c\/p\u003e\n\u003cp data-start=\"566\" data-end=\"794\" data-imt-p=\"1\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"rvvit1\" data-start=\"190\" data-end=\"212\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"193\" data-end=\"212\"\u003eWhat is Nvideo?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"214\" data-end=\"372\"\u003e\u003cstrong data-start=\"214\" data-end=\"230\"\u003eKmbox Nvideo\u003c\/strong\u003e is a multifunctional \u003cstrong data-start=\"252\" data-end=\"278\"\u003e3-in-1 hardware system\u003c\/strong\u003e that integrates input control, video acquisition, and signal conversion into a single device.\u003c\/p\u003e\n\u003cp data-start=\"374\" data-end=\"386\"\u003eIt combines:\u003c\/p\u003e\n\u003cul data-start=\"388\" data-end=\"693\"\u003e\n\u003cli data-section-id=\"uv0ihj\" data-start=\"388\" data-end=\"488\"\u003e\n\u003cstrong data-start=\"390\" data-end=\"428\"\u003eNetwork-based Input Control Module\u003c\/strong\u003e\u003cbr data-start=\"428\" data-end=\"431\"\u003e– Hardware-level keyboard and mouse signal management\u003c\/li\u003e\n\u003cli data-section-id=\"eqa1ri\" data-start=\"490\" data-end=\"593\"\u003e\n\u003cstrong data-start=\"492\" data-end=\"532\"\u003eVideo Capture System (with Loop-Out)\u003c\/strong\u003e\u003cbr data-start=\"532\" data-end=\"535\"\u003e– Real-time HDMI signal acquisition and display output\u003c\/li\u003e\n\u003cli data-section-id=\"11w9obv\" data-start=\"595\" data-end=\"693\"\u003e\n\u003cstrong data-start=\"597\" data-end=\"626\"\u003eInput Interface Converter\u003c\/strong\u003e\u003cbr data-start=\"626\" data-end=\"629\"\u003e– Enables flexible input signal adaptation and configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"695\" data-end=\"764\"\u003e👉 \u003cstrong data-start=\"698\" data-end=\"764\"\u003eNvideo = Input Control + Video Capture + Interface Integration\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"1iht69n\" data-start=\"771\" data-end=\"794\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"774\" data-end=\"794\"\u003eKey Applications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-section-id=\"x22i0i\" data-start=\"796\" data-end=\"832\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"800\" data-end=\"832\"\u003eHardware-Level Input Control\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"833\" data-end=\"1006\"\u003e\n\u003cli data-section-id=\"1g4usup\" data-start=\"833\" data-end=\"906\"\u003eDirect management of keyboard and mouse signals at the hardware level\u003c\/li\u003e\n\u003cli data-section-id=\"12a56c6\" data-start=\"907\" data-end=\"944\"\u003eStable and consistent performance\u003c\/li\u003e\n\u003cli data-section-id=\"4n1v7b\" data-start=\"945\" data-end=\"1006\"\u003eSuitable for development, testing, and system integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1h7ugeo\" data-start=\"1013\" data-end=\"1051\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1017\" data-end=\"1051\"\u003eVideo Capture \u0026amp; Display Output\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1052\" data-end=\"1223\"\u003e\n\u003cli data-section-id=\"1qc55s2\" data-start=\"1052\" data-end=\"1090\"\u003eCaptures GPU output via HDMI input\u003c\/li\u003e\n\u003cli data-section-id=\"aaqwd6\" data-start=\"1091\" data-end=\"1146\"\u003eSupports real-time display output via HDMI loop-out\u003c\/li\u003e\n\u003cli data-section-id=\"1xppmz8\" data-start=\"1147\" data-end=\"1181\"\u003eNo additional drivers required\u003c\/li\u003e\n\u003cli data-section-id=\"1k22ves\" data-start=\"1182\" data-end=\"1223\"\u003eSmooth and stable signal transmission\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"2688lb\" data-start=\"1230\" data-end=\"1273\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1234\" data-end=\"1273\"\u003eStreaming \u0026amp; Recording Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1274\" data-end=\"1399\"\u003e\n\u003cli data-section-id=\"2i2rx5\" data-start=\"1274\" data-end=\"1320\"\u003eWorks with standard video capture software\u003c\/li\u003e\n\u003cli data-section-id=\"11wxxof\" data-start=\"1321\" data-end=\"1399\"\u003eSupports:\n\u003cul data-start=\"1335\" data-end=\"1399\"\u003e\n\u003cli data-section-id=\"6hqlbo\" data-start=\"1335\" data-end=\"1354\"\u003eVideo recording\u003c\/li\u003e\n\u003cli data-section-id=\"9seyyq\" data-start=\"1357\" data-end=\"1375\"\u003eLive streaming\u003c\/li\u003e\n\u003cli data-section-id=\"uejknc\" data-start=\"1378\" data-end=\"1399\"\u003eScreen monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"cipr3p\" data-start=\"1406\" data-end=\"1442\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1410\" data-end=\"1442\"\u003eFlexible Input Configuration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1443\" data-end=\"1586\"\u003e\n\u003cli data-section-id=\"1e1xcz6\" data-start=\"1443\" data-end=\"1485\"\u003eSupports customizable input parameters\u003c\/li\u003e\n\u003cli data-section-id=\"1u3s2jl\" data-start=\"1486\" data-end=\"1536\"\u003eAdjustable response curves and signal behavior\u003c\/li\u003e\n\u003cli data-section-id=\"1871kwh\" data-start=\"1537\" data-end=\"1586\"\u003eSuitable for advanced configuration scenarios\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"gj8p8z\" data-start=\"1593\" data-end=\"1626\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1596\" data-end=\"1626\"\u003ePerformance Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1628\" data-end=\"2060\"\u003e\n\u003cli data-section-id=\"18wb8c8\" data-start=\"1628\" data-end=\"1674\"\u003e\n\u003cstrong data-start=\"1630\" data-end=\"1645\"\u003eHDMI Input:\u003c\/strong\u003e\u003cbr data-start=\"1645\" data-end=\"1648\"\u003eUp to 1920×1080 @ 60Hz\u003c\/li\u003e\n\u003cli data-section-id=\"1942o0b\" data-start=\"1676\" data-end=\"1744\"\u003e\n\u003cstrong data-start=\"1678\" data-end=\"1694\"\u003eHDMI Output:\u003c\/strong\u003e\u003cbr data-start=\"1694\" data-end=\"1697\"\u003eReal-time loop output (no noticeable delay)\u003c\/li\u003e\n\u003cli data-section-id=\"8g43gn\" data-start=\"1746\" data-end=\"1858\"\u003e\n\u003cstrong data-start=\"1748\" data-end=\"1768\"\u003eUSB 3.0 Capture:\u003c\/strong\u003e\u003cbr data-start=\"1768\" data-end=\"1771\"\u003eUp to 1920×1080 @ 60Hz\u003cbr data-start=\"1795\" data-end=\"1798\"\u003eTypical delay: 3–5 FPS (depending on system performance)\u003c\/li\u003e\n\u003cli data-section-id=\"gp0d4z\" data-start=\"1860\" data-end=\"1926\"\u003e\n\u003cstrong data-start=\"1862\" data-end=\"1894\"\u003eInput Interface Performance:\u003c\/strong\u003e\u003cbr data-start=\"1894\" data-end=\"1897\"\u003eUp to 1000Hz polling rate\u003c\/li\u003e\n\u003cli data-section-id=\"q8ypij\" data-start=\"1928\" data-end=\"2060\"\u003e\n\u003cstrong data-start=\"1930\" data-end=\"1952\"\u003eNetwork Interface:\u003c\/strong\u003e\n\u003cul data-start=\"1957\" data-end=\"2060\"\u003e\n\u003cli data-section-id=\"32jids\" data-start=\"1957\" data-end=\"1987\"\u003eReal-time input monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"aljme3\" data-start=\"1990\" data-end=\"2021\"\u003eData adjustment and control\u003c\/li\u003e\n\u003cli data-section-id=\"1slb7c6\" data-start=\"2024\" data-end=\"2060\"\u003eUp to 1000 operations per second\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"buuksy\" data-start=\"2067\" data-end=\"2094\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2070\" data-end=\"2094\"\u003eWiring \u0026amp; Setup Guide\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-section-id=\"3vgxmk\" data-start=\"2096\" data-end=\"2117\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2100\" data-end=\"2117\"\u003ePort Overview\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2119\" data-end=\"2573\"\u003e\n\u003cli data-section-id=\"1oavicf\" data-start=\"2119\" data-end=\"2188\"\u003e\n\u003cstrong data-start=\"2121\" data-end=\"2133\"\u003eHDMI IN:\u003c\/strong\u003e\u003cbr data-start=\"2133\" data-end=\"2136\"\u003eConnect to graphics card output for signal input\u003c\/li\u003e\n\u003cli data-section-id=\"1r8emuj\" data-start=\"2190\" data-end=\"2259\"\u003e\n\u003cstrong data-start=\"2192\" data-end=\"2205\"\u003eHDMI OUT:\u003c\/strong\u003e\u003cbr data-start=\"2205\" data-end=\"2208\"\u003eConnect to monitor for real-time display output\u003c\/li\u003e\n\u003cli data-section-id=\"1ilgu0b\" data-start=\"2261\" data-end=\"2354\"\u003e\n\u003cstrong data-start=\"2263\" data-end=\"2285\"\u003eDevice Port (USB):\u003c\/strong\u003e\u003cbr data-start=\"2285\" data-end=\"2288\"\u003eConnect to target system (recognized as standard input device)\u003c\/li\u003e\n\u003cli data-section-id=\"y7w5cb\" data-start=\"2356\" data-end=\"2424\"\u003e\n\u003cstrong data-start=\"2358\" data-end=\"2383\"\u003eExternal Input Ports:\u003c\/strong\u003e\u003cbr data-start=\"2383\" data-end=\"2386\"\u003eConnect keyboard and mouse devices\u003c\/li\u003e\n\u003cli data-section-id=\"j0zhzo\" data-start=\"2426\" data-end=\"2514\"\u003e\n\u003cstrong data-start=\"2428\" data-end=\"2445\"\u003eUSB 2.0 Port:\u003c\/strong\u003e\u003cbr data-start=\"2445\" data-end=\"2448\"\u003eConnect to secondary system for control and data communication\u003c\/li\u003e\n\u003cli data-section-id=\"p35p68\" data-start=\"2516\" data-end=\"2573\"\u003e\n\u003cstrong data-start=\"2518\" data-end=\"2535\"\u003eUSB 3.0 Port:\u003c\/strong\u003e\u003cbr data-start=\"2535\" data-end=\"2538\"\u003eConnect to PC for video capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1ywlrxk\" data-start=\"2580\" data-end=\"2608\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2584\" data-end=\"2608\"\u003eSetup Recommendation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2609\" data-end=\"2765\"\u003e👉 Connect all cables first, then connect the \u003cstrong data-start=\"2655\" data-end=\"2677\"\u003eUSB 3.0 cable last\u003c\/strong\u003e to power the device\u003cbr data-start=\"2697\" data-end=\"2700\"\u003e👉 Avoid connecting USB 3.0 before completing other connections\u003c\/p\u003e\n\u003ch2 data-section-id=\"1fgrqyi\" data-start=\"2772\" data-end=\"2790\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2775\" data-end=\"2790\"\u003ePrecautions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2792\" data-end=\"3150\"\u003e\n\u003cli data-section-id=\"3udr9y\" data-start=\"2792\" data-end=\"2857\"\u003eEnsure HDMI input resolution is \u003cstrong data-start=\"2826\" data-end=\"2855\"\u003e1920×1080 @ 60Hz or below\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"117mhge\" data-start=\"2858\" data-end=\"2904\"\u003eHigher bandwidth signals are not supported\u003c\/li\u003e\n\u003cli data-section-id=\"3m0d38\" data-start=\"2906\" data-end=\"3064\"\u003eIf the system detects \u003cstrong data-start=\"2930\" data-end=\"2944\"\u003eUSB2 Video\u003c\/strong\u003e, it indicates:\n\u003cul data-start=\"2962\" data-end=\"3064\"\u003e\n\u003cli data-section-id=\"3bd9rb\" data-start=\"2962\" data-end=\"2997\"\u003eThe current port is not USB 3.0\u003c\/li\u003e\n\u003cli data-section-id=\"gzr6zu\" data-start=\"3000\" data-end=\"3064\"\u003eThe device will still function, but with reduced performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"go4uww\" data-start=\"3066\" data-end=\"3150\"\u003eIt is recommended to test the device using standard software before advanced use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1t616wx\" data-start=\"3157\" data-end=\"3193\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3160\" data-end=\"3193\"\u003eTesting Method (Example: OBS)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-start=\"3195\" data-end=\"3348\"\u003e\n\u003cli data-section-id=\"1v929jk\" data-start=\"3195\" data-end=\"3208\"\u003eOpen OBS\u003c\/li\u003e\n\u003cli data-section-id=\"1mg5ofh\" data-start=\"3209\" data-end=\"3251\"\u003eCreate a new \u003cstrong data-start=\"3225\" data-end=\"3249\"\u003eVideo Capture Device\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bihqvp\" data-start=\"3252\" data-end=\"3288\"\u003eSelect the device camera source\u003c\/li\u003e\n\u003cli data-section-id=\"pje0qc\" data-start=\"3289\" data-end=\"3348\"\u003eVerify that image and input functions operate normally\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"3350\" data-end=\"3424\"\u003e👉 If all functions are working correctly, the device is properly set up\u003c\/p\u003e\n\u003ch2 data-section-id=\"o6nl68\" data-start=\"3431\" data-end=\"3453\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3434\" data-end=\"3453\"\u003eDeveloper Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"3455\" data-end=\"3563\"\u003e\n\u003cli data-section-id=\"cfm650\" data-start=\"3455\" data-end=\"3509\"\u003eDemo tools can be used for testing and integration\u003c\/li\u003e\n\u003cli data-section-id=\"8k8lsv\" data-start=\"3510\" data-end=\"3563\"\u003eTypical system delay: \u003cstrong data-start=\"3534\" data-end=\"3561\"\u003e80–100ms (stable range)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"12ifhkd\" data-start=\"3570\" data-end=\"3595\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3573\" data-end=\"3595\"\u003eProduct Highlights\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3597\" data-end=\"3825\"\u003e✔ 3-in-1 integrated hardware system\u003cbr data-start=\"3632\" data-end=\"3635\"\u003e✔ Real-time video capture and display output\u003cbr data-start=\"3679\" data-end=\"3682\"\u003e✔ 1080P 60Hz performance support\u003cbr data-start=\"3714\" data-end=\"3717\"\u003e✔ Hardware-level input signal control\u003cbr data-start=\"3754\" data-end=\"3757\"\u003e✔ No driver required\u003cbr data-start=\"3777\" data-end=\"3780\"\u003e✔ Compatible with mainstream video software\u003c\/p\u003e","brand":"DICHEN official store","offers":[{"title":"Default Title","offer_id":43975947845720,"sku":null,"price":85.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/6926\/3704\/files\/20260411155334_910_668_adfaaf49-2b1e-4db9-9e24-01865c4c9c17.png?v=1775903823","url":"https:\/\/dma-hardware.store\/products\/kmbox-nvideo-3-in-1-dma-hardware-video-capture-card-keyboard-mouse-controller-converter","provider":"Best DMA Hardware","version":"1.0","type":"link"}