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iiyama Prolite LH4341UHS-B2 43" specifications and in-depth review

iiyama Prolite LH4341UHS-B2 43"

Manufacturer: iiyama

The iiyama Prolite LH4341UHS-B2 is a 43-inch class monitor built around an IPS panel with a 3840 x 2160 pixel resolution, delivering a pixel density of 103 ppi across its 42.5-inch glossy display surface. Designed as a standard monitor, it supports VESA mounting and portrait mode orientation, making it reasonably adaptable in fixed installation contexts. The unit weighs 8,900 g and measures 968 mm wide by 557 mm tall with a depth of 54 mm.

On the technical side, the display reaches a typical brightness of 500 nits with a contrast ratio of 1200:1 and reproduces up to 1,073 million colors at 8-bit depth. Connectivity includes three HDMI 2.0 ports, a VGA connector, a 3.5 mm audio jack, one USB port, and Ethernet support, though there is no DisplayPort, USB-C, or Wi-Fi. The panel has a response time of 8 ms, a 60 Hz refresh rate, and 178-degree viewing angles both horizontally and vertically. Built-in stereo speakers provide 2 x 10W of audio output, while operating power consumption is rated at 107W.

Pros
  • Three HDMI 2.0 ports provide flexible source connectivity for multiple devices simultaneously
  • 4K UHD resolution at 103 ppi across a 42.5-inch panel delivers fine detail at this screen size
  • Wide 178-degree viewing angles both horizontally and vertically ensure consistent image quality from off-center positions
  • Built-in stereo speakers with 2 x 10W output remove the need for a separate audio solution
  • Supports VESA mounting and portrait mode orientation, adding flexibility for different installation setups
  • Ethernet connectivity is available onboard, enabling wired network access without additional adapters
Cons
  • Glossy panel with no anti-glare coating makes the screen prone to reflections in bright environments
  • Rated EU energy label G, indicating relatively high energy consumption for its class
  • No adaptive synchronization support, which can result in screen tearing during fast-moving content
  • Lacks DisplayPort, USB-C, and Thunderbolt connectivity, limiting compatibility with modern source devices
  • No remote control included, requiring manual access to the monitor for adjustments
  • Color calibration is not supported, limiting accuracy adjustments for color-sensitive work
Who is this for?

This monitor is well suited to environments where a large, high-resolution display is needed for extended viewing at a fixed installation — such as digital signage, reception areas, meeting rooms, or general office use. The 4K UHD resolution across a 42.5-inch screen makes it practical for displaying detailed content, documents, or media at a comfortable viewing distance, while the wide 178-degree viewing angles ensure readability from various positions in a room. The availability of three HDMI 2.0 ports and wired Ethernet also makes it a reasonable fit for multi-source setups or networked display environments where several devices need to be connected simultaneously.

Who is this NOT for?

This monitor is not well suited to users who require precise color accuracy, as it lacks color calibration support and carries only an 8-bit panel, making it a poor fit for professional photo editing, video grading, or graphic design workflows. The glossy panel without any anti-glare coating also makes it problematic in bright or naturally lit spaces where reflections would consistently interfere with on-screen visibility. Additionally, the 60 Hz refresh rate and absence of adaptive synchronization make it unsuitable for gaming or fast-motion content, where smoother frame delivery and tear-free rendering are typically expected.

Display:

Display type IPS, LCD, LED-backlit
response time 8 ms
screen size 42.5"
resolution 3840 x 2160 px
pixel density 103 ppi
Adaptive synchronization None
has anti-glare coating ✕
refresh rate 60Hz
maximum horizontal viewing angle 178º
maximum vertical viewing angle 178º
has a matte panel ✕
has a glossy panel ✓
has a touch screen ✕

The display uses an IPS, LCD, LED-backlit panel measuring 42.5 inches with a 3840 x 2160 pixel resolution and a resulting pixel density of 103 ppi. It operates at a 60 Hz refresh rate with an 8 ms response time, and offers wide viewing angles of 178 degrees both horizontally and vertically. The panel has a glossy surface and lacks both an anti-glare coating and a matte finish, while touch input is not supported. Adaptive synchronization is absent, and the screen is not a touchscreen.

General info:

Type Standard
EU energy label G
supports total tilt ✓
Has a swivel stand ✕
Supports VESA mount ✓
height 557 mm
width 968 mm
thickness 54 mm
weight 8900 g
supports portrait mode ✓
maximum operating temperature 40 °C
lowest potential operating temperature 0 °C
volume 29115.504 cm³

This is a standard-type monitor with physical dimensions of 968 mm wide, 557 mm tall, and 54 mm thick, weighing 8,900 g. It supports VESA mounting and can be tilted, and portrait mode orientation is also available, though there is no swivel stand. The EU energy label is rated G, and the unit is designed to operate within a temperature range of 0 °C to 40 °C.

Colors:

brightness (typical) 500 nits
supports color calibration ✕
display colors 1073 million
bit depth 8-bit
contrast ratio 1200:1

The display offers a typical brightness of 500 nits and a contrast ratio of 1200:1, with a color depth of 8-bit supporting up to 1,073 million colors. Color calibration is not supported on this model.

Connectivity:

HDMI ports 3
supports Thunderbolt ✕
DisplayPort outputs 0
has a socket for a 3.5 mm audio jack ✓
has a DVI connector ✕
USB ports 1
Has USB Type-C ✕
HDMI version HDMI 2.0
supports Ethernet ✓
supports Wi-Fi ✕
has AirPlay ✕
mini DisplayPort outputs 0
has a VGA connector ✓

The monitor provides three HDMI 2.0 ports alongside a VGA connector, a single USB port, a 3.5 mm audio jack, and wired Ethernet support. There is no DisplayPort, mini DisplayPort, DVI, USB Type-C, or Thunderbolt connectivity, and neither Wi-Fi nor AirPlay are available.

Power:

operating power consumption 107W
standby power consumption 0.5W

The monitor draws 107W during normal operation and drops to a low standby consumption of 0.5W when not in active use.

Features:

has PiP ✕
has stereo speakers ✓
has built-in smart TV ✕
audio output power 2 x 10W
has a remote control ✕
supports Dolby Digital ✕
supports Dolby Digital Plus ✕
has DTS Surround ✕
has an ambient light sensor ✕
has a front camera ✕

The monitor includes built-in stereo speakers rated at 2 x 10W, though it does not support Dolby Digital, Dolby Digital Plus, or DTS Surround. There is no PiP functionality, remote control, ambient light sensor, front camera, or built-in smart TV platform.

Final Verdict

The iiyama Prolite LH4341UHS-B2 is a large-format monitor that delivers a clear proposition for fixed installation and general commercial use, built around a 4K UHD IPS panel with wide viewing angles and multi-source HDMI connectivity. Its strengths lie in straightforward deployment — VESA mount support, portrait mode capability, built-in speakers, and wired Ethernet make it a practical choice for signage, meeting rooms, or multi-device setups. That said, the glossy panel, absence of color calibration, and 60 Hz ceiling with no adaptive sync place it firmly outside the realm of creative professional or gaming use. For users whose requirements align with its intended scope, the LH4341UHS-B2 covers the essentials reliably; those with more demanding display needs will find its feature set too limited.

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