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header-product Digital signage flat panel Dahua Technology LDH55-SAI400K 55" LED 4K Ultra HD
1,444.49 €

Digital signage flat panel Dahua Technology LDH55-SAI400K 55" LED 4K Ultra HD

Digital signage flat panel Dahua Technology LDH55-SAI400K Photo 1
Digital signage flat panel Dahua Technology LDH55-SAI400K Photo 2
Digital signage flat panel Dahua Technology LDH55-SAI400K Photo 1
Digital signage flat panel Dahua Technology LDH55-SAI400K Photo 2
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Digital signage flat panel Dahua Technology LDH55-SAI400K 55" LED 4K Ultra HD

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Short description

The Dahua Technology LDH55-SAI400K is a 55-inch digital signage flat panel featuring LED technology and a 4K Ultra HD resolution of 3840 x 2160 pixels. With a brightness of 320 cd/m² and an integrated Android 8.1 processor, it is designed for effective digital signage applications, providing clear and vibrant visuals suitable for various environments.
Available for order: 2 pcs.
Warranty: 2 Years
SKU: 11587617
Manufacturer: DAHUA
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
10.08.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
13.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.00 kg)
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
13.08.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
payment
Payment Methods:
Bank transfer, Leasing for legal entities
Leasing for legal entities: from 50.27 euros per month
Together cheaper
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Product information

Description

The Dahua Technology LDH55-SAI400K is a 55" LED digital signage flat panel with 4K Ultra HD (3840 x 2160) resolution and 320 cd/m² brightness. The unit features a full metal casing, industrial-grade panel and an integrated Android 8.1 platform that supports unified remote management for system integrators and media operators. It combines a 4-core processor for strong decoding performance, built-in 10 W speakers and multiple installation modes to suit different project requirements.

Advantages

High-quality industrial design with full metal housing improves durability and heat dissipation. The integrated Dahua MPS platform enables centralized remote management, simplifying content delivery and maintenance. A 4-core processor delivers reliable decoding and smooth playback of 4K content, while the LED 55" panel provides sharp visuals at 3840 x 2160 resolution. Built-in speakers and support for various mounting options make the panel ready for a wide range of indoor digital signage installations.

Suitable for

  • Retail signage and point-of-sale displays
  • Information screens in transport hubs and public buildings
  • Corporate lobbies and meeting-room displays
  • Hospitality and menu boards
  • Exhibition and event digital displays

Key specifications

  • Display diagonal: 55" (139.7 cm)
  • Resolution: 3840 x 2160 (4K Ultra HD)
  • Display technology: LED
  • Brightness: 320 cd/m²
  • Response time: 8 ms
  • Contrast ratio (typical): 1000:1
  • Built-in audio: 10 W speakers
  • Network: Ethernet LAN
  • Mounting: VESA compatible
  • Colour: Black
  • Integrated platform: Android 8.1 with Dahua MPS support
  • Processor: 4-core for media decoding
  • Energy efficiency (SDR): class G; energy consumption ~80 kWh/1000 h

How to use

Install the panel using appropriate VESA mounting hardware or use an approved installation mode for the project. Connect the panel to power and a content network via Ethernet, then configure the built-in Android platform and Dahua MPS for remote content management. Upload or schedule signage content through the management platform, adjust display settings (brightness, contrast, audio) as needed, and verify playback performance. Ensure adequate ventilation around the metal housing to maintain optimal operating temperature.

Usage recommendations

For reliable long-term operation, use stable network connectivity for remote management, schedule regular software updates through the Dahua MPS platform, and maintain ventilation clearance around the unit. For best image quality in bright environments, verify and, if necessary, increase panel brightness and contrast settings.

Specifications

Display diagonal: iagonal of the visible part of the screen expressed in centimeters and inches.
55 "
Display resolution:
3840 x 2160
HD type:
4K Ultra HD
Display technology:
LED
Response time:
8 ms
Contrast ratio (typical):
1000:1
VESA mounting:
Yes
Built-in speaker(s):
Yes
Energy efficiency class (SDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
G
Energy consumption (SDR) per 1000 hours: Power consumption in switched-on state expressed in W.
80 kWh
Product colour:
Black
All features

Display

Display diagonal: iagonal of the visible part of the screen expressed in centimeters and inches.
55 "
Display technology:
LED
HD type:
4K Ultra HD
Display resolution:
3840 x 2160
Response time:
8 ms
Contrast ratio (typical):
1000:1
Display brightness:
320 cd/m²
Viewing angle, vertical:
178 °
Viewing angle, horizontal:
178 °
Native aspect ratio:
16:9
Display number of colours:
1.07 billion colours
Touchscreen:
No
Panel life:
30000 h

Design

Product colour:
Black
Placement supported:
Indoor
Panel mounting interface:
400 x 400
Product design:
Digital signage flat panel
Orientation:
Horizontal/Vertical

Ports & interfaces

DVI port:
No
HDMI ports quantity:
1
DisplayPorts quantity:
0
Ethernet LAN (RJ-45) ports:
1
PC Audio in:
Yes
RS-232 interface:
Yes
USB ports quantity:
2
USB port:
Yes
Compatible memory cards:
MicroSD (TransFlash)
Card reader integrated:
Yes
HDMI input ports quantity:
1

Ergonomics

VESA mounting:
Yes

Audio

Number of built-in speakers:
2
Built-in speaker(s):
Yes

Performance

Purpose:
Universal
Operating system installed:
Android 8.1

Network

Ethernet LAN:
Yes
Wi-Fi:
No

Multimedia

RMS rated power:
10 W

Thin Client

Built-in processor:
Yes
Processor model:
A17
Processor cores:
4

Computer system

Processor family:
ARM Cortex
Audio formats supported:
WAV, MP3, WMA
Image formats supported:
BMP, GIF, JPEG, JPG, PNG
Video formats supported:
AVI, MKV, MOV, MP4, WMV, ASF
Internal storage capacity:
16 GB
Processor frequency:
1.8 GHz
Internal memory:
2 GB
Computer system:
Yes

Power

Energy efficiency class (SDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
G
Energy consumption (SDR) per 1000 hours: Power consumption in switched-on state expressed in W.
80 kWh
Power consumption (typical): Power consumption in switched-on state expressed in W.
180 W
Power consumption (standby):
0.5 W
AC input frequency:
50 - 60
AC input voltage:
100 - 240
Energy efficiency scale: Range of energy efficiency levels classifying devices from most to least energy-efficient.
A to G

Weight & dimensions

Display depth:
58.3 mm
Display height:
701.8 mm
Display weight:
18000 g
Display width:
1230.8 mm

Operational conditions

Operating relative humidity (H-H):
10 - 85
Operating temperature (T-T):
0 - 40

Packaging content

Cables included:
AC
Mounting kit:
Yes

Packaging data

Package weight:
25800 g
Package depth:
165 mm
Package height:
830 mm
Package width:
1360 mm

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Energy label

Energy label
DHI-LDH55-SAI400K
Model

Device manufacturer code

DAHUA
Manufacturer

Device manufacturer

55 "
Display diagonal

iagonal of the visible part of the screen expressed in centimeters and inches.

G
Energy efficiency class (SDR)

Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.

80 kWh
Energy consumption (SDR) per 1000 hours

Power consumption in switched-on state expressed in W.

Customer reviews

Customer questions

FAQ

How much does the Digital signage flat panel Dahua Technology LDH55-SAI400K cost, and is it available for purchase?

The price is 1,444.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 10.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All DAHUA products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized DAHUA service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: display diagonal, display resolution, hd type, display technology, response time, contrast ratio (typical), vesa mounting, built-in speaker(s), energy efficiency class (sdr), energy consumption (sdr) per 1000 hours, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for Digital signage flat panel Dahua Technology LDH55-SAI400K?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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