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LG 48GQ900-B 48
LG 48GQ900-B 48
LG 48GQ900-B 48
LG 48GQ900-B 48
LG 48GQ900-B 48
LG 48GQ900-B 48
LG 48GQ900-B 48
LG

LG 48GQ900-B 48" UltraGear OLED 4K Gaming Monitor

★★★★★3.9 (309 reviews)
4KUHD3840 x 2160300 x 20020W

Immerse Yourself in Gaming with Stunning OLED VisualsExperience gaming like never before with the LG 48GQ900-B 48” UltraGear™ UHD OLED Gaming Monitor. Featuring an anti-glare low reflection screen, ultra-fast response time, and high refresh rate, this monitor delivers unparalleled visual clarity ...

$1,041.50*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Immerse Yourself in Gaming with Stunning OLED Visuals

Experience gaming like never before with the LG 48GQ900-B 48” UltraGear™ UHD OLED Gaming Monitor. Featuring an anti-glare low reflection screen, ultra-fast response time, and high refresh rate, this monitor delivers unparalleled visual clarity and responsiveness.

Specifications:

  • Screen Size: 48 inches
  • Display Type: UHD 4K (3840 x 2160) OLED
  • Anti-Glare: Yes, with Low Reflection
  • Response Time: Less than 1ms (GtG)
  • Refresh Rate: 120Hz (O/C 138 Hz)
  • Contrast Ratio: 1.5M:1
  • Color Gamut: DCI-P3 99% (Typ.) with HDR 10
  • Connectivity: HDMI 2.1, 4-Pole Headphone out with DTS HPX
  • Speakers: 20W Stereo Speaker
  • Compatibility: NVIDIA G-SYNC Compatible, AMD FreeSync

Key Features

48” UHD 4K (3840 x 2160) OLED Display with Anti-Glare & Low Reflection.Mounting Type:Wall Mount Size (mm) 300 x 200 mm.Aspect Ratio 16:9.Aspect ratio:16:9.Viewing Angle:178.0 degrees.Specific uses for product - Gaming.Speaker Output : 20W x 2. Viewing Angle 178º(R/L), 178º(U/D)

1.5M : 1 Contrast Ratio & DCI-P3 99% (Typ.) with HDR 10

Less than 1ms (GtG) with 120Hz Refresh Rate (O/C 138 Hz)

HDMI 2.1 with 4-Pole Headphone out with DTS HP:X and 20W Stereo Speaker .nVIDIA G-SYNC Compatible with AMD FreeSync

Specifications

Display Size
48 inches
Resolution
UHD 4K (3840 x 2160)
Panel Type
OLED
Anti-Glare
Yes
Low Reflection
Yes
Contrast Ratio
1.5M:1
Color Gamut
DCI-P3 99% (Typ.)
HDR Support
HDR 10
Response Time
Less than 1ms (GtG)
Refresh Rate
120Hz (O/C 138 Hz)
Connectivity
HDMI 2.1
Audio Output
4-Pole Headphone out with DTS HP:X
Speakers
20W x 2 Stereo Speaker
G-SYNC Compatibility
Yes
FreeSync Support
Yes
Wall Mount Size
300 x 200 mm
Aspect Ratio
16:9
Viewing Angle
178º(R/L), 178º(U/D)

Pros & Cons

👍 Pros

  • Offers a large 48" UHD 4K (3840 x 2160) OLED display for expansive, high-resolution gaming
  • Features an Anti-Glare & Low Reflection screen, enhancing visibility and reducing distractions during gameplay
  • Delivers an impressive 1.5M:1 contrast ratio and DCI-P3 99% (Typ.) with HDR 10 for rich, vibrant colors
  • Achieves less than 1ms Gray-to-Gray response time, ensuring exceptionally fluid motion in fast-paced games
  • Boasts a 120Hz refresh rate, overclockable to 138 Hz, for smooth and responsive gaming experiences
  • Includes HDMI 2.1 connectivity, supporting high bandwidth for modern graphics cards and consoles
  • Equipped with a 4-pole headphone out with DTS HP:X and 20W stereo speakers for immersive audio
  • Is NVIDIA G-SYNC Compatible and supports AMD FreeSync, providing tear-free and stutter-free gaming

👎 Cons

  • The 48-inch size may be too large for some desk setups or gaming spaces
  • The specific uses for the product are gaming, which might indicate optimization for that purpose over other tasks
  • OLED displays, while offering excellent contrast, can be susceptible to burn-in over long periods with static images
  • The monitor has a fixed viewing angle of 178 degrees, which may not be a limitation but is a characteristic
  • The mounting type is specified as wall mount (300 x 200 mm), requiring separate mounting hardware
  • The 20W stereo speakers are integrated, which may not provide the same audio fidelity as dedicated external systems

Frequently Asked Questions

The LG 48GQ900-B features a UHD 4K (3840 x 2160) OLED display, providing crisp and detailed visuals for gaming.
Yes, this monitor is NVIDIA G-SYNC Compatible and also supports AMD FreeSync, ensuring a smooth, tear-free gaming experience across compatible graphics cards.
It boasts a rapid less than 1ms (GtG) response time and a 120Hz refresh rate, which can be overclocked to 138 Hz, delivering highly responsive gameplay.
Yes, the LG 48GQ900-B includes 20W stereo speakers and a 4-pole headphone out with DTS HP:X for an immersive audio experience.
Yes, it supports a wall mount size of 300 x 200 mm, allowing for flexible placement in your gaming setup.
The monitor features an impressive 1.5M:1 contrast ratio and covers DCI-P3 99% (Typ.) with HDR 10, providing deep blacks and vibrant, accurate colors.
The display is designed with Anti-Glare & Low Reflection technology, which helps to minimize reflections and improve visibility in various lighting conditions.

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