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Black rectangular box with four HDMI inputs, one HDMI output, USB ports, front buttons, IR sensor, and included remote control

LUOM

LUOM HDMI KVM Multiviewer Switch 4x1 4K@30Hz 5 Display Modes Split Screen IR Remote

SKU CH-V4GP-H99N4

Four HDMI 1.4 inputs share one display at up to 3840 x 2160 30 Hz with five split-screen layouts and IR remote control

  • Port count4
  • Input ports4 x HDMI 1.4
  • Output ports1 x HDMI 1.4
  • Maximum supported resolutions3840 × 2160
  • Product typeHDMI KVM Multiviewer Switch 4 × 1
  • In the box1xHDMI 4 × 1 quad KVM multi-viewer 1x USB Power adapter 4x U
  • View four sources simultaneously on one screen with 5 display modes
  • Switch instantly between four HDMI inputs using IR remote, buttons or keyboard hotkeys
  • Enjoy 4K resolution at 30 Hz or 1080p at 60 Hz via HDMI 1.4
  • Connect four devices to a single display without cable swapping
  • KVM function lets you control multiple PCs with one keyboard and mouse

What this switch does

This LUOM HDMI KVM multiviewer connects four HDMI 1.4 sources to one display. It shows all four inputs at once in split-screen layouts or switches cleanly to a single source at up to 4K@30Hz or 1080p@60Hz. Control is by front button, IR remote or keyboard hotkeys.

Who it suits and who it does not

The unit fits security desks, meeting rooms or any desk where four PCs, consoles or STBs share one monitor. Buyers who need 4K@60Hz output, HDMI 2.0 bandwidth or more than four inputs should look elsewhere.

Installation notes

Power the box from the included USB adapter, plug the four source cables and one display cable, then choose a view mode with the remote or Ctrl+Ctrl hotkeys. A common issue is forgetting to supply USB power, which leaves the switch inactive.

How it compares

Measured against everything we stock in HDMI & AV Selector Switches, at today’s prices. Recalculated every night.

Price $67.99
Pricier than about 87% of the 1,998 comparable items (median $27.99).

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Specifications

Product
Product typeHDMI KVM Multiviewer Switch 4 × 1
Display
Maximum supported resolutions3840 × 2160
Ports & slots
Port count4
Input ports4 x HDMI 1.4
Output ports1 x HDMI 1.4
In the box
In the box1xHDMI 4 × 1 quad KVM multi-viewer
1x USB Power adapter
4x USB Data cable
1xRemote control
1xUser manual

Questions about this item

What display and cables do I need to use the 4K@30Hz output?

Connect the HDMI 1.4 output to a monitor or TV that accepts 3840 x 2160 at 30 Hz using a standard HDMI cable.

Can I keep my 1080p sources connected while running the switch at 4K@30Hz?

Yes, the switch supports mixed resolutions up to 1080p at 60 Hz and 4K at 30 Hz on its four HDMI 1.4 inputs simultaneously.

How can I confirm the multiviewer is showing all four inputs correctly after setup?

Cycle through the five display modes with the IR remote or front button; each mode should show the expected full-screen or split-screen layout without signal loss.

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