25'' Class 21:9 UltraWide® IPS LED Gaming Monitor (25'' Diagonal)
  • 21:9 UltraWide® Full HD (2560x1080)
  • Dynamic Action Sync
  • Black Stabilizer
  • SRGB Over 99%
  • 4-Screen Split
25" Class 21:9 UltraWide® IPS LED Gaming Monitor (25" Diagonal)
Where to Buy


  • Screen Size


  • Factory Calibration
    Game mode
  • Black Stabilizer


  • UPC


  • Screen Size Class (diagonal)
    2560 x 1080
  • Response Time
    Refresh Rate
  • Panel Type
    Aspect Ratio
  • Color Gamut (CIE1931)
    sRBG over 99%
    Brightness (typical)
  • Contrast Ratio


  • HDMI
    Yes x2


  • Speaker
    No built-in speaker


  • HDMI


  • Reader Mode


  • Screen Split
    Dual Controller

What people are saying

Rated 5 out of 5 by from Great Picture I've had this monitor for over a year at least and I love it. Great image, still works and my games look fantastic in ultrawide.
Date published: 2018-12-31
Rated 5 out of 5 by from Good price and good cuality month ago and is very good, and i will recomend this product
Date published: 2018-06-18
Rated 5 out of 5 by from Great monitor! This is a great monitor for the money. I have only have it for 2 weeks and so far so good.
Date published: 2018-03-31
  • y_2019, m_12, d_7, h_23
  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.3
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_23
  • loc_en_US, sid_MD05208640, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_lg
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getReviews, 3ms


Ask your questions. Share your answers.
Please review the detailed product information and help guides in the
Product Support section for this product prior to posting a question.

The two screws included with the monitor, what size are they? Lost them while moving and need a replacement. Thank you.

Asked by: DarkRiku
Let's see if we can get that taken care of for you. Send us a message on Twitter at @LGUSSupport or on Facebook https://www.facebook.com/LGUSA/ so we can get more info and see what we can do. ^CP
Answered by: ChrisPSM
Date published: 2019-11-15

This monitor have no sound? thes sound is just with headphones?

Asked by: CamboriU
Hello, this monitor does not have speakers nor headset jack. ^AC
Answered by: Amber C
Date published: 2018-03-14

I lost the power cord for this (25UM56-P). How do I get a replacement?

Asked by: BetterOffZed
Please see the links below for the parts needed. ^AC Power Cord - http://lge.andrewselectronics.com/search/electronic-parts/parts/9/EAD63505502 Adapter - http://lge.andrewselectronics.com/search/electronic-parts/parts/9/EAY62710707
Answered by: Amber C
Date published: 2018-02-20

How many Volts can this monitor withstand? I am from New Zealand and had it shipped over. 

Asked by: SamPB
We do not recommend our units be used outside of the USA, but it is 19 V, 1.6 A. ^AC
Answered by: amber
Date published: 2017-12-11

My laptop doesn't have a CD drive, and i can't find any software to download for the monitor. How can i get the contents (if possible, step by step) so i can try out the features for this monitor?

Asked by: Tiny0125
We appreciate your interest in this monitor. More information would be needed as to what software you are trying to download. Please contact our Customer Interactive Center at 800-243-0000 for further assistance.
Answered by: NeilE
Date published: 2017-08-30

Is the monitor 144hz ?

Asked by: Grank48
Our offices, in the United States, do not have specific product information units released in Indonesia. In order to obtain such information, it is recommended to check our subsidiary’s website, at http://www.lg.com/id/dukungan/hubungi-dukungan-pelanggan.
Answered by: NeilE
Date published: 2017-01-31

Hi I brought this last month and i love the monitor. though its not a big focus as i'm using it as a monitor, i want to confirm if I do have a hadware problem. Audio isn't coming out from the MONITOR, does the HDMI supplied with this supports audio?

Asked by: eryson
The monitor does not have speakers
Answered by: EpicFP
Date published: 2018-01-06

What type of HDMI is do these inputs support?  1.1, 1.2, 1.3a, 1.4a or 2.0? I hear that the older HDMI cant support more than 24fps so 60 hertz would be kinda useless. I need to make sure i can shoot 60fps trough the hdmi so i can match the 60 Hertz.

Asked by: ToxicSquirrelX
The HDMI ports on the ENERGY STAR® Qualified LG 25" Class 21:9 UltraWide® IPS LED Gaming Monitor (25" Diagonal), Model # 25UM56-P are version 1.4a...^IFV
Answered by: LGJoel
Date published: 2016-03-04
  • y_2019, m_12, d_7, h_23CST
  • bvseo_bulk, prod_bvqa, vn_bulk_3.0.3
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_23
  • loc_en_US, sid_MD05208640, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_lg
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getContent, 3ms
Compare (0)