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LH4375UHS-B2AG

iiyama ProLite LH4375UHS-B2AG 43-inch 4K UHD Digital Signage Display

Screen size
42.5" / 108cm
Resolution
3840 x 2160 @60Hz (8.3…
Brightness
500 cd/m²
Contrast
1200:1
WhatsApp
Priceon request
QuotationWithin 1 working day
DeliveryConfirmed with your quote, based on stock
XLSXDownload datasheet (LH4375UHS-B2AG_Specifications.xlsx)
Overview

A 43-inch 4K UHD panel built for continuous 24/7 signage, the iiyama ProLite LH4375UHS-B2AG runs Android 11 on the screen itself, manages content through iiSignage² and switches inputs automatically with FailOver. It works in landscape or portrait and has an Intel SDM-S slot for an optional embedded PC. Suited to clinics, malls, schools and offices in Qatar that need dependable screens without a separate media player.

Panel quality for readable content all day

The LH4375UHS-B2AG uses a 42.5-inch IPS panel at 3840 x 2160, or 8.3 megapixels, in a 16:9 format with a 0.245 mm pixel pitch. Its anti-glare glass with 25% haze and 500 cd/m² brightness keeps text readable near windows and in brightly lit lobbies. Static contrast is 1,200:1, response time is 8 ms, and the viewing angle is 178 degrees horizontally and vertically, so people standing at the side of a corridor see the same picture.

Running content without an external player

Android 11 runs on the display itself, with a multi-core processor, 4GB RAM and 32GB storage, so applications can be installed directly on the screen. The iiSignage² content management system lets you schedule and update messages remotely. FailOver monitors the inputs you prioritise, including browser, media player and custom sources, and moves to the next available input when the default has no signal. The Intel SDM-S slot takes an optional embedded PC module, and the 802.11ac Wi-Fi module is built in and removable.

Connecting screens and building a video wall

  • Three HDMI 2.0 inputs, with ARC on HDMI 3, plus one DisplayPort 1.2 input
  • DisplayPort output that passes the signal from any input to the next screen in a daisy chain
  • RS-232c, RJ45 LAN and IR control, with RS-232c and IR loop-through outputs
  • Two USB 2.0 ports, a 3.5 mm audio output and two 10 W speakers

Thin bezels of 13.5 mm on the sides and 15.5 mm at the top and bottom keep the gaps between panels small. Before ordering a wall, confirm the number of panels, the mounting grid and the content source with the SmartRooms Qatar team, because the signal chain and tiling settings must match the layout.

Where it fits in Qatar

  • A private clinic in Al Sadd showing queue numbers and health information in its reception waiting area throughout the day
  • A shopping centre in West Bay running promotional loops in portrait orientation on a corridor column
  • A school in Al Rayyan displaying timetables and announcements on corridor screens, with content updated from the administration office

Power, climate and planning for installation

The internal power supply accepts 100 to 240 V at 50 or 60 Hz, which covers Qatar's 240 V, 50 Hz mains, and draws 101 W typical with 0.5 W standby. The operating range is 0 to 40 °C, while summer temperatures in Qatar can exceed 45 °C, so install it in an air-conditioned room with airflow around the chassis. The display is fanless, measures 968 x 557 x 54 mm and weighs 8.9 kg without its box. It supports 200 x 200 mm VESA mounting. A free site survey helps confirm wall construction, cable routes and mounting height before installation.

All purchases are made by quotation. SmartRooms Qatar supplies the unit, delivers it to all eight municipalities of Qatar, arranges professional installation, and accepts purchase orders (LPOs), government tenders and payment by bank transfer, cheque or purchase order. The product is covered by the manufacturer's warranty. Request a quote from SmartRooms Qatar and we will usually reply within one working day.

Highlights

  • 43-inch 4K UHD IPS panel with anti-glare glass and 500 cd/m² brightness
  • Rated for continuous 24/7 operation in landscape or portrait orientation
  • Android 11 on the display with 4GB RAM and 32GB storage
  • FailOver switches to the next available input when a signal drops
  • DisplayPort output for daisy-chaining screens into a video wall

Estimated timeline

Quotation within 1 working day · delivery timing depends on stock availability, and we confirm it with your quotation.

Specifications

57 specifications · Source: manufacturer · checked Oct 2026
DISPLAY CHARACTERISTICS15
Design
Thin bezel
Diagonal
42.5", 108cm
Panel
IPS, Anti-Glare Coated Glass, haze 25%
Native resolution
3840 x 2160 @60Hz (8.3 MegaPixels 4K UHD)
Aspect ratio
16:9
Panel brightness
500 cd/m²
Static contrast
1200:1
Response time (GTG)
8ms
Viewing zone
horizontal/vertical: 178°/178°, right/left: 89°/89°, up/down: 89°/89°
Colour support
1.07B 8bit+FRC (NTSC 72%)
Horizontal Sync
28 - 160kHz
Viewable area W x H
941 x 529mm, 37 x 20.8"
Bezel width (sides, top, bottom)
13.5mm, 15.5mm, 15.5mm
Pixel pitch
0.245mm
Bezel colour and finish
black, matte
INTERFACES / CONNECTORS / CONTROLS7
Digital signal input
HDMI x3 (2.0, max. 3840x2160 @60Hz, ARC on HDMI #3) DisplayPort x1 (1.2, max. 3840x2160 @60Hz)
Monitor control input
RS-232c x1 (2.5mm sub-mini jack) RJ45 (LAN) x1 IR x1 (3.5mm stereo mini)
Digital signal output
DisplayPort x1 (max. 3840x2160 @60Hz, MST-out Daisy Chain v.1.2)
Audio output
Mini jack x1 (3.5mm) Speakers 2 x 10W
Monitor control output
RS-232c x1 (2.5mm sub-mini jack) IR loop through x1 (3.5mm stereo mini)
HDCP
2.2
USB ports
x2 (2.0)
FEATURES9
Integrated software
Android 11 OS, iiSignage², iiControl, iiShare, EShare, FailOver
WiFi
yes (Built-in, 802.11ac)
Hardware
CPU: A311D2 Octa-core A73*4+A53*4, GPU: G52 MP8, RAM: 4GB, ROM: 32GB
Extra
Intel® SDM-S, micro SD card slot
Max. non-stop operating time
24/7
Anti image retention
yes
Video wall / daisy chain
Yes, from any input signal, (MST-output via DP-Out)
Media playback
yes
Housing (bezel)
metal
GENERAL4
OSD languages
EN, DE, FR, ES, IT, CN, RU, JP, CZ, NL, PL, SV, FI, DA, NB
Control buttons
Power (longpress for Quick Menu)
User controls
picture (brightness, contrast, sharpness, black level, tint, colour, noise reduction, gamma selection, colour temp., colour control, picture reset), screen (zoom mode, custom zoom, screen reset), audio (balance, treble, bass, volume, audio out, max. volume, min. volume, mute, audio reset, audio out sync, speaker setting), configuration 1 (Android launcher, switch on state, panel saving, RS232-routing, boot on source, WOL, configuration 1 reset, factory reset), configuration 2 (OSD timeout, OSD H-Position, OSD V-position, system rotation, info OSD, logo and animation, logo setting, animation se
Plug&Play
DDC2B
MECHANICAL7
Orientation
landscape, portrait
Fanless design
yes
VESA mounting
200 x 200mm
Mini PC mount
VESA 75 x 75, VESA 100 x 100
Operation temperature range
0°C - 40°C
Storage temperature range
- 20°C - 60°C
MTBF
50.000 hours (excluding backlight)
ACCESSORIES INCLUDED4
Cables
power (1.8m), HDMI (1.8m), RS-232c (1.8m)
Guides
quick start guide, safety guide
Other
Stickers for screw holes, wire buckles
Remote control
yes (batteries included)
POWER MANAGEMENT3
Power supply unit
internal
Power supply
AC 100 - 240V, 50/60Hz
Power usage
101W typical, 0.5W stand by, 0.3W off mode
SUSTAINABILITY3
Regulations
CB, CE, TÜV-Bauart, EAC, RoHS support, ErP, WEEE, REACH
Energy efficiency class (Regulation (EU) 2017/1369)
G
REACH SVHC
above 0.1%: Lead, Lead monoxide
DIMENSIONS / WEIGHT5
Product dimensions W x H x D
968 x 557 x 54mm
Box dimensions W x H x D
1075 x 683 x 127mm
Weight (without box)
8.9kg
Weight (with box)
12.5kg
EAN code
4948570125234

Downloads

13 files from the manufacturer
XLSX Datasheets LH4375UHS-B2AG_Specifications.xlsx 9 KB iiyama LH4375UHS-B2AG datasheets (XLSX, 9 KB) PDF Datasheets LH4375UHS-B2AG_datasheet.pdf 1.2 MB iiyama LH4375UHS-B2AG datasheets (PDF, 1.2 MB) PDF Manuals & guides LH43_50_55_65_75_8675UHS-B2AG-usermanual-e.pdf 8.0 MB iiyama LH4375UHS-B2AG manuals & guides (PDF, 8.0 MB) PDF Drawings & CAD LH4375UHS_Drawing.pdf 1.2 MB iiyama LH4375UHS-B2AG drawings & cad (PDF, 1.2 MB) ZIP Drawings & CAD · Opens on manufacturer site LH4375UHS.zip iiyama LH4375UHS-B2AG drawings & cad (ZIP) PDF Certificates & compliance LH4375UHS-B2AG EU Energy Label (2265235).pdf 72 KB iiyama LH4375UHS-B2AG certificates & compliance (PDF, 72 KB) PDF Certificates & compliance LH4375UHS-B2AG UK Energy Label (2265235).pdf 29 KB iiyama LH4375UHS-B2AG certificates & compliance (PDF, 29 KB) PDF Other documents EShare Network Requirements v7.4-e.pdf 129 KB iiyama LH4375UHS-B2AG other documents (PDF, 129 KB) PDF Other documents LH4375UHS CE DoC.pdf 335 KB iiyama LH4375UHS-B2AG other documents (PDF, 335 KB) PDF Other documents LH4375UHS-B1AG.pdf 316 KB iiyama LH4375UHS-B2AG other documents (PDF, 316 KB) PDF Other documents LH4375UHS-B2AG.pdf 318 KB iiyama LH4375UHS-B2AG other documents (PDF, 318 KB) PDF Other documents LHxx75_RS232-LAN_commands_2025_04.pdf 1.2 MB iiyama LH4375UHS-B2AG other documents (PDF, 1.2 MB) PDF Other documents ii_iisignage2_whitepaper_A4_EN (09.23).pdf 4.2 MB iiyama LH4375UHS-B2AG other documents (PDF, 4.2 MB)

Questions about LH4375UHS-B2AG

What is the iiyama LH4375UHS-B2AG designed for?
It is a 43-inch 4K UHD professional display for digital signage, rated for 24/7 operation. It suits waiting areas, corridors, lobbies and meeting-room signage where content must play without interruption. Its 500 cd/m² brightness and anti-glare panel help it stay readable in bright indoor spaces, and it can run in landscape or portrait.
Can it run in portrait orientation for wayfinding or menu boards?
Yes. The LH4375UHS-B2AG supports both landscape and portrait orientation. Portrait mode suits corridor columns, restaurant menus and wayfinding boards in hospitals and shopping centres. The panel's footprint changes when rotated, so check the mounting position before installation. A free site survey from SmartRooms Qatar can confirm the layout.
Does it need an external media player?
For most signage projects, no. Android 11 runs on the display with 4GB RAM and 32GB storage, and the iiSignage² content management system manages content remotely. If you need more processing power, the Intel SDM-S slot accepts an optional embedded PC module that fits the display.
What does FailOver do?
FailOver detects input sources. When the default input has no signal, it automatically switches to the next available input. You can rank inputs, including browser, media player and custom sources, so content keeps showing if a laptop disconnects at a school reception desk or a clinic front counter.
Which inputs and outputs does it have?
It has three HDMI 2.0 inputs, with ARC on HDMI 3, and one DisplayPort 1.2 input, all supporting up to 3840 x 2160 at 60 Hz. A DisplayPort output carries the signal from any input to the next display. It also has two USB 2.0 ports, a 3.5 mm audio output and two 10 W speakers.
Is Wi-Fi built in?
Yes, an 802.11ac Wi-Fi module is built in and can be removed. It lets the screen receive content over your network. If you prefer a wired connection, the display also has an RJ45 LAN port. Confirm your building's network arrangements with the SmartRooms Qatar team before installation.
Can several units form a video wall?
Yes, through a DisplayPort daisy chain from any input. Bezels measure 13.5 mm on the sides and 15.5 mm at the top and bottom. When requesting a quote, state the number of panels and layout. Plan the mounting grid, cable routes and content source before purchase, particularly for walls with several rows.
What temperatures can it handle, and can it go in an unconditioned room in Qatar?
The operating range is 0 to 40 °C and the storage range is -20 to 60 °C. Summer temperatures in Qatar can exceed 45 °C, so install the display in an air-conditioned room or a properly ventilated enclosure. Confirm the environment with the SmartRooms Qatar team before ordering for any area that is not air-conditioned.
How much power does it use and what supply does it need?
It has an internal power supply that accepts 100 to 240 V at 50 or 60 Hz, which covers Qatar's 240 V, 50 Hz mains. Typical consumption is 101 W, with 0.5 W in standby and 0.3 W in off mode. A 1.8 m power cable is included. Standby and off-mode figures help facilities teams estimate running costs across a building.
How heavy is it and what mount does it need?
The display weighs 8.9 kg without its box and 12.5 kg boxed, and measures 968 x 557 x 54 mm. It supports 200 x 200 mm VESA mounting, and mini PC mounts at 75 x 75 mm and 100 x 100 mm. Choose a bracket rated for its weight, and use a free site survey from SmartRooms Qatar to check the wall before fitting.
Is it suitable for schools in Qatar?
Yes, for private, international and Arabic-curriculum schools that want corridor screens for timetables, announcements and event schedules. For several units, a school can issue a purchase order (LPO). SmartRooms Qatar supplies, delivers to all eight municipalities and installs the displays, and quotations are usually issued within one working day.
What comes in the box?
The package includes a remote control with batteries, a 1.8 m power cable, a 1.8 m HDMI cable, a 1.8 m RS-232c cable, a quick start guide, a safety guide, and stickers for screw holes and wire buckles. That covers basic setup, and the Android settings and OSD menus handle most configuration.

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