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iiyama Prolite LH5541UHS-B2 55" specifications and in-depth review

iiyama Prolite LH5541UHS-B2 55"

Manufacturer: iiyama

The iiyama Prolite LH5541UHS-B2 55″ is a large-format IPS LCD monitor with a 54.6″ glossy panel aimed at professional display environments such as digital signage and meeting room installations. It delivers a 4K UHD resolution of 3840 x 2160 px across a 178° wide viewing angle both horizontally and vertically, and supports portrait mode as well as tilt adjustment for flexible positioning. VESA mount compatibility makes it straightforward to deploy in wall-mounted or fixed-arm setups.

The panel runs at 60Hz with an 8ms response time, a typical brightness of 500 nits, a 1200:1 contrast ratio, and a color depth of 1073 million colors at 8-bit. Connectivity includes three HDMI 2.0 ports, Thunderbolt, Ethernet, a VGA connector, a 3.5mm audio jack, and one USB port — though Wi-Fi, USB Type-C, and DisplayPort are absent. Built-in stereo speakers output 2 x 10W, and the unit draws 139W during operation while dropping to 0.5W in standby.

Pros
  • The 4K resolution across a 54.6″ IPS panel at 178° viewing angles makes it well-suited for large-format content display in shared or public-facing environments
  • At 14300 g, the unit is notably lighter than comparable large-format displays, making installation and repositioning more manageable
  • 500 nits of typical brightness provides solid visibility in moderately lit environments
  • VESA mount support combined with portrait mode capability allows for versatile installation orientations
  • Thunderbolt connectivity expands input options beyond the three HDMI 2.0 ports for compatible source devices
  • Standby power consumption of just 0.5W keeps idle energy draw low for a display of this size
Cons
  • The glossy panel with no anti-glare coating makes the display susceptible to reflections in brightly lit rooms
  • Only one USB port is available, which significantly limits peripheral or device connectivity
  • Wi-Fi is not supported, restricting network connectivity to a wired Ethernet connection only
  • The EU energy label of F indicates above-average power draw during active use at 139W
  • Color calibration is not supported, which limits its suitability for any color-sensitive professional work
  • No remote control is included, which can be inconvenient for a large-format display typically installed at a distance
Who is this for?

The iiyama Prolite LH5541UHS-B2 55″ is well-suited for professional fixed installations such as digital signage, meeting room displays, and public information screens, where a large 4K IPS panel with 500 nits of brightness and wide 178° viewing angles ensures clear visibility from various positions. Its relatively manageable weight for its size, combined with VESA mount support and portrait mode capability, makes it a practical option for wall-mounted or arm-based deployments in commercial environments. Thunderbolt and Ethernet connectivity further support integration into structured wired AV or network setups.

Who is this NOT for?

This monitor is not well-suited for environments with strong ambient lighting, as the glossy panel without anti-glare coating will produce noticeable reflections that degrade image quality. It is also a poor fit for users who need wireless network integration, since Wi-Fi is absent and connectivity is limited to wired Ethernet only. Those requiring color-accurate output for professional creative work will find the lack of color calibration support a significant limitation, and the single USB port makes it inadequate for setups that rely on multiple peripherals connected directly to the display.

Display:

Display type IPS, LCD, LED-backlit
response time 8 ms
screen size 54.6"
resolution 3840 x 2160 px
pixel density 80 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 panel is a 54.6″ IPS LCD with LED backlighting, delivering a 4K resolution of 3840 x 2160 px at 80 ppi across a 60Hz refresh rate with an 8ms response time. Viewing angles reach 178° both horizontally and vertically, and the glossy panel surface means there is no anti-glare coating or matte finish. Adaptive synchronization is not supported, and the display does not have touchscreen capability.

General info:

Type Standard
EU energy label F
supports total tilt ✓
Has a swivel stand ✕
Supports VESA mount ✓
height 710 mm
width 1237 mm
thickness 55 mm
weight 14300 g
supports portrait mode ✓
maximum operating temperature 40 °C
lowest potential operating temperature 0 °C
volume 48304.85 cm³

This standard-type monitor measures 1237 mm wide, 710 mm tall, and 55 mm thick, with a weight of 14300 g. It supports tilt adjustment and portrait mode, though a swivel stand is not included. VESA mount support is available for wall or arm-based installations. The unit carries an EU energy label of F and is rated for operating temperatures between 0 °C and 40 °C.

Colors:

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

The panel delivers a typical brightness of 500 nits alongside a 1200:1 contrast ratio, with a color depth of 1073 million colors rendered at 8-bit. Color calibration is not supported, meaning the display ships without built-in calibration capability for precision color workflows.

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 ✓

Wired connectivity is handled through three HDMI 2.0 ports, Thunderbolt, Ethernet, a VGA connector, a 3.5mm audio jack, and a single USB port. Wi-Fi, USB Type-C, DVI, DisplayPort, mini DisplayPort, and AirPlay are all absent, making this a strictly wired-only setup with no wireless networking capability.

Power:

operating power consumption 139W
standby power consumption 0.5W

The monitor consumes 139W during active operation and drops to 0.5W in standby, keeping idle power draw minimal when the display is not in 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 display includes built-in stereo speakers rated at 2 x 10W, providing onboard audio without requiring external hardware. It does not support Dolby Digital, Dolby Digital Plus, or DTS Surround, and there is no PiP functionality, remote control, ambient light sensor, front camera, or smart TV capability built in.

Final Verdict

The iiyama Prolite LH5541UHS-B2 55″ is a focused large-format display built around a clear professional purpose, with its 4K IPS panel, 500 nits brightness, and VESA-compatible portrait-capable design making it a practical fit for fixed commercial installations like digital signage or meeting room screens. Its relatively light build for its size and the inclusion of Thunderbolt alongside three HDMI 2.0 ports and Ethernet give it solid wired connectivity for structured deployments. The absence of Wi-Fi, anti-glare treatment, and color calibration narrows its appeal to scenarios where those factors are not priorities. For organizations deploying large-format wired display solutions in controlled lighting environments, the iiyama Prolite LH5541UHS-B2 55″ delivers a coherent and functional specification set well-matched to its intended role.