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4K HDMI Quad Screen Splitter/Multiviewer
Display real-time video from four HDMI sources simultaneously on a single display – supports 4Kx2K, 1080p, and 2560x1600 output resolutions
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SPLITMUX-4K-4RT (Front & Back)
Product Highlights
- Quad & full screen display modes with 4K, 2K, 1080p, & 2560x1600 output resolutions.
- Picture-in-picture & custom display modes with 2K, 1080p, & 1920x1200 output resolutions.
- HDMI 1.3 input, HDMI 2.0 output
Also Available
HDMI 2.0 Multiviewer – Supports 4K60Hz I/O Resolutions in ALL Display Modes
HDMI 2.0 Multiviewer – Supports 4K60Hz I/O Resolutions in ALL Display Modes
Additional Images
The SPLITMUX® 4K HDMI Quad Screen Multiviewer allows you to simultaneously display real-time video from four different sources on a single HDMI Ultra-HD 4Kx2K monitor. It is capable of displaying the video signals in quad, PiP, full, or custom mode. In quad and full screen display modes, the multiviewer supports 4K, 2K, 1080p, and 2560x1600 output resolutions. In picture-in-picture and custom display modes, it supports 2K, 1080p, and 1920x1200 output resolutions.
The SPLITMUX® 4K HDMI Quad Screen Multiviewer allows you to simultaneously display real-time video from four different sources on a single HDMI Ultra-HD 4Kx2K monitor. It is capable of displaying the video signals in quad, PiP, full, or custom mode. In quad and full screen display modes, the multiviewer supports 4K, 2K, 1080p, and 2560x1600 output resolutions. In picture-in-picture and custom display modes, it supports 2K, 1080p, and 1920x1200 output resolutions.
- Quad, Picture in Picture, Full Screen, and Custom display modes.
- Custom Display Mode: the size, position and selection of any or all windows are customizable.
- Rotate each image 90 degrees to the left or right for a vertical mounted display.
- 2- and 3-source viewing is possible with this method.
- Maintain input aspect ratio if desired-no stretching necessary.
- Layer display windows and adjust transparency of each video source display.
- Custom Display Mode: the size, position and selection of any or all windows are customizable.
- Supported resolutions:
- Inputs: 2K resolution 2048x1080, HDTV resolutions to 1080p, and up to 1920x1200 (WUXGA).
- For 4K inputs, see NTI’s SPLITMUX-4K18GB-4
- Output:
- Quad and Full mode: Ultra-HD 4Kx2K resolutions to 3840x2160 (60Hz) and 4096x2160 (60Hz), 2K resolution 2048x1080, HDTV resolutions to 1080p, and up to 2560x1600 (WQXGA).
- PiP and Custom mode: 2K resolution 2048x1080, HDTV resolutions to 1080p, and up to 1920x1200 (WUXGA).
- Independent video in to video out resolution.
- Inputs: 2K resolution 2048x1080, HDTV resolutions to 1080p, and up to 1920x1200 (WUXGA).
- HDMI features supported:
- HDMI 1.3 input, HDMI 2.0 output
- Inputs: 24-, 30-, and 36-bit xvYCC, sRGB, and YCbCr.
- Outputs: 24- and 30-bit sRGB.
- Four-channel mixing stereo with 16-, 20-, or 24-bit uncompressed PCM audio.
- Bandwidth up to 594 MHz
- Inputs: 2.25 Gbps
- Output: 5.94 Gbps
- HDCP compliant.
- Fluid, real-time video performance with up to 60 frames per second (fps) in all four quadrants.
- Zoom, pan, and crop the image from any source to focus on key areas.
- Switch audio independently of video from connected HDMI sources (e.g. source 1 and source 2 video are active while only source 3 audio is active).
- Multiple audio sources can be simultaneously active in any display mode or preset layout.
- Adjustable audio gain with VU level indicators for each input channel.
- A customized text label can be added for each video window to provide easy input identification (UMD).
- Control the multiviewer through Ethernet, RS232 serial port, keyboard commands, on screen display (OSD), front panel buttons, or optional IR remote.
- Cascade multiviewers to display video from any number of video sources on one screen.
- Each video source in the cascade can be controlled directly from the Web Server graphical user interface under Custom Mode Settings.
- Backup and restore multiviewer configurations.
- Supported output resolutions can be selected or set to auto detect optimal resolution from the monitor's EDID.
- Available options: desktop unit, 1RU rackmount unit, dual side-by-side rackmount units in 1RU
- Rackmount units can be mounted so that the front panel buttons are facing the front or back of the rack.
- Rackmount units include cable management shelf.
Video Input
- Four female HDMI connectors.
- Supports HDMI devices, such as DVD/Blu-ray players, satellite receivers and HDTV tuners.
- Multiplatform support: Windows 7/8/10/11, Windows Server 2008/2012/2016/2019/2022, Solaris, Linux, FreeBSD, and MAC OS 10/11/12.
- Supported video input resolutions:
- 2K Cinema (2048x1080 @ 60Hz)
- HDTV resolutions to 1080p
- Up to 1920x1200 (WUXGA)
- For 4K inputs, see NTI’s SPLITMUX-4K18GB-4
- Supports HDCP 1.2
Video Output
- One female HDMI connector for display.
- Compatible with 21:9 UltraWide monitors.
- Supported video output resolutions:
- Quad and Full mode
- Ultra-HD 4Kx2K resolutions (3840x2160 @ 60Hz, 4096x2160 @ 60Hz)
- 2K Cinema (2048x1080 @ 60Hz)
- HDTV resolutions to 1080p
- Up to 2560x1600 (WQXGA)
- PiP and Custom mode
- 2K Cinema (2048x1080 @ 60Hz)
- HDTV resolutions to 1080p
- Up to 1920x1200 (WUXGA)
- Quad and Full mode
- HDMI-embedded audio switching (four-channel stereo mixing).
- Supports HDCP 2.2
- Chroma sampling: 4:4:4 RGB.
- Latency:
- 50mS at 60Hz
- 60mS at 50Hz
- 100mS at 30Hz
- 120mS at 25Hz
- 125mS at 24Hz
Protocols
- HTTP, HTTPS
- TCP/IP, DHCP, UDP, ARP
- IPV4
- Supports HTTP REST API to configure SPLITMUX-4K-4RT with response in JSON format.
Power
- 100 to 240 VAC at 50 or 60Hz via country-specific AC adapter.
- Power consumption: 20W
Dimensions
- SPLITMUX-4K-4RT (desktop)
- WxDxH (in): 7.35x4.98x1.09 (187x126x28 mm)
- SPLITMUX-4K-4RT-R (1RU rackmount) and SPLITMUX-4K-4RT-2R (1RU dual side-by-side rackmount)
- WxDxH (in):
- Without rackmount kit: 7.35x4.98x1.75 (187x126x45 mm)
- With rackmount kit: 19x4.98x1.75 (483x126x45 mm) (excludes cable tray)
- Can be mounted so that the front panel buttons are facing the front or back of the rack.
- Includes cable management tray.
- Adds 3.37" to the depth.
- WxDxH (in):
Environmental
- Operating temperature: 32°F to 113°F (0°C to 45°C).
- Storage temperature: -22°F to 140°F (-30°C to 60°C).
- Operating and storage relative humidity: 5 to 90% non-condensing RH.
Regulatory Approval
- CE, RoHS.
- TAA compliant
Cables
- Interface cables between the video sources/display and the multiviewer are required for proper operation.
- Supports cable lengths to 20 feet for 4Kx2K resolutions and 50 feet for 1080p.
- Longer cables can be used provided they have a built-in video equalizer (also known as "active HDMI cables").
- Supports cable lengths to 20 feet for 4Kx2K resolutions and 50 feet for 1080p.
- Use HD-xx-MM cable to connect an HDMI source or display (not included).
- Use HD-ACT-xx-MM 4K HDMI Active Cables to connect an HDMI source or display up to 100 feet.
- HD-ACT-20/25/30/40/50/60-MM supports resolutions to 4K@60Hz.
- HD-ACT-75/100-MM supports resolutions to 4K@30Hz.
- Cables not included.
Warranty
- Two years
Compatible NTI Products
- Combine NTI's extenders, switches, splitters and cables for complex applications.
- 4K HDMI Extender (ST-C64K-300)
- SPLITMUX-4K-4RT and ST-C64K-300 will work together at resolutions up to 3840x2160 @ 30Hz.
- 4K HDMI Extender (ST-C64K-300)
- 4K HDMI Active Optical Cable (HD4K18GB-FO-xxM-MM)
- 4K HDMI Active Cables with Built-In Signal Booster
(HD-ACT-xx-MM)
Quad Mode
- In quad mode, the screen is split into four fields of equal size each displaying the entire contents of four different video sources.
- Fluid, real-time video performance with up to 60 frames per second (fps) in all four quadrants.
- Supported video output resolutions:
- Ultra-HD 4Kx2K resolutions (3840x2160 @ 60Hz, 4096x2160 @ 60Hz)
- 2K Cinema (2048x1080 @ 60Hz)
- HDTV resolutions to 1080p
- Computer resolutions to 2560x1600
Full Screen Mode
- In full screen mode, one of the four video sources is displayed in full screen size and maximum resolution.
- Supported video output resolutions:
- Ultra-HD 4Kx2K resolutions (3840x2160 @ 60Hz, 4096x2160 @ 60Hz)
- 2K Cinema (2048x1080 @ 60Hz)
- HDTV resolutions to 1080p
- Computer resolutions to 2560x1600
Picture in Picture (PIP) Mode
- In PIP mode, the full screen display of one of the four video sources is accompanied by one, two, or three small images (thumbnails) of the three other video sources on the right hand margin of the screen allowing simultaneous monitoring.
- Size, position and selection of the thumbnails are customizable.
- Supported video output resolutions:
- 2K Cinema (2048x1080 @ 60Hz)
- HDTV resolutions to 1080p
- Computer resolutions to 1920x1200
Custom Mode
- In Custom mode, each video source is displayed in its own separate, detached window.
- Size, position and selection of the windows are customizable.
- Rotate each image 90 degrees to the left or right for a vertical mounted display.
- Presets of the window positioning can be saved.
- Supported video output resolutions:
- 2K Cinema (2048x1080 @ 60Hz)
- HDTV resolutions to 1080p
- Computer resolutions to 1920x1200
- Configure up to 10 preset layouts that can be switched live at any time.
Front Panel Interface
- Use front panel buttons to locally change ports or to select a display mode.
Ethernet Control
- Configuration can be done over the Internet/LAN via Web page or Telnet.
- Supports Internet Explorer 6.0 or higher, Firefox 2.0 or higher, Opera 9.0, Google Chrome, Safari 4.0 or higher for MAC and PC.
- Configure and control the settings for the system, network, input, output, and modes.
- Female RJ45 connector.
- 10/100 BaseT Ethernet interface.
- Use NTI's Discovery Tool on a PC or MAC with Java Runtime Environment (version 6 or higher) installed to detect the IP address of a SPLITMUX unit.
- Web Server
- Security is ensured by password and user configurable timeout.
- Up to 16 users can access the web page at one time.
- The user with administrative privileges can access the following pages:
- System page: allows configuration of unit, serial port, and OSD settings.
- Network pages: configure IP and server settings.
- Inputs page: allows configuration of the four video inputs.
- Output page: configure the video and audio output parameters.
- Modes page: allows selection and configuration of the output display mode.
- User Config page: add, configure, and view all users.
- Firmware page: update firmware for the SPLITMUX.
- Telnet
- Security is ensured by password.
- Menu commands are similar to RS232 commands.
- The telnet server listens on port 2000.
- Port 2000 is for an operator telnet session.
On Screen Display (OSD)
- Select display modes and computers with On Screen Display (OSD).
- Use the front panel buttons to operate the OSD.
- OSD controls for configuration and control of the system, network, input, output, and display modes.
- Access to OSD Mode can be limited by an administrator-assigned PIN number
RS232
- Configuration and control can be done through the serial port.
- Female RJ45 connector.
- Control the multiviewer using the Text Menu via RS232.
- Selectable baud rate: 1200 to 115,200 bps.
- Baud rate is set via the front panel interface, serial command, OSD, or web interface.
Infrared Remote Control (Optional)
- Optional control method.
- IRT-UNV is sold separately.
- Routes video and audio signals together or independently.
- Transmitter can be up to 30 feet (9.1 meters) away.
- Power: two AAA batteries (included).
Keyboard/Mouse
- Use keyboard commands to select display mode and to select port.
- Support for mouse commands coming soon.
User Manual:
Data Sheet:
How To:
Firmware:
3D Model:
- SPLITMUX-4K-4RT-R.step – 3D image file
- SPLITMUX-4K-4RT-2R.step – 3D image file
Knowledge Base:
Application Drawings
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How to display real-time video from four HDMI sources simultaneously on a single 4Kx2K display
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Display Mode Examples
Application Notes
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How to Watch 4 Television/Sports Programs on a Single TV Screen
The SPLITMUX-4K-4RT can be used with multiple satellite boxes and computer live streams to allow up to 4 television programs to be displayed on a single television screen. In this example, the four connected sources are a wired set-top box, a laptop with a live streaming TV channel, and two wireless satellite boxes. Audio channels from each source can be independently switched or mixed, i.e. only one audio source or up to four sources can be playing at once. With this configuration, the user can display up to four television programs on one display and selectively choose which audio channels to listen to at any time. To quickly switch between the four audio channels in Quad mode, use the optional IR remote control or the SPLITMUX's front panel buttons. -
How to Cascade Units & Display More Than 4 Sources on 1 Screen
Cascade any number of SPLITMUX units, with one as the master unit and others as slaves. A slave can also have slaves, and the SPLITMUX supports any number of slave levels. After connecting the slave to the master unit, configure the cascade using the Cascade Settings page on the Web Interface.
In this example, five units are configured in a master and slave cascade with each unit configured for Quad mode. Since the SPLITMUX can only accept input resolutions up to 2K, the output of all connected slave units must be set to 2K or lower. On the master unit, only Quad and Full Screen mode will support 4Kx2K output resolutions, while Picture in Picture and Custom mode will support up to 2K output resolutions.
Notes:
1. If there is no input for a channel, its window will be white.
2. If no layering is required, the order of inputs is inconsequential.
3. If layering is pertinent to the display desired, it is recommended to connect the back layers to a slave unit and the front layers to a master unit.
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"We are happy with the SPLITMUX-4K-4RT, and will reach out to purchase an additional one in the near future. I can change the orientation of the 4 different inputs to just about any way I want them. The main reason we bought the multiviewer was to display 4 inputs on a vertically positioned (portrait) wall. I reached out to a half dozen companies - from the security camera manufacturer (who had no interest in modifying their firmware on their standalone units to provide vertical orientation) to cloud based video wall companies (who assured me they could make it work, but ultimately failed). In addition to the fact that NTI was able to update the firmware to support vertical mounted displays, we like the fact that the product has a text banner that you can add to the output, which is nice especially with the text color and size options. The small, compact size allows us to put the unit just about anywhere."
Kevin H.Fort Wayne Reinforcing, Inc.Auburn, IN
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"The SPLITMUX-4K-4RT device was able to meet our expectations by taking four 1080P HDMI signals to combine as a 4K signal and send out to one 65" display. This eliminated the plan to put four 32" displays on the wall. We used the multiviewer in quad display mode, and it worked without effort straight out of the box. We found the interface to be easy to use and the UI, accessible from the webhost on the device, was straight forward. We also experimented with custom sizing of the inputs using the UI, and found that to be good and very unique in this market - more so given the price point versus other competitors."
Leo M.M7 Serivces LLCHouston, TX
HDMI, the HDMI Logo, and High-Definition Multimedia Interface are trademarks or
registered trademarks of HDMI Licensing LLC in the United States and other countries.
registered trademarks of HDMI Licensing LLC in the United States and other countries.
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