The LG B4 is a 2025 OLED that supports 120 Hz, Variable Refresh Rate, HDMI 2.1 and many other features. If you want to mount this TV to a wall, then you can check out this guide to see what specs you need to pay attention to.
LG B4 Screen Sizes
This article will be covering the following sizes:
- 48-Inch Class OLED LG B4 Series TV (Model Number: OLED48B4PUA)
- 55-Inch Class OLED LG Series TV (Model Number: OLED55B4PUA)
- 65-Inch Class OLED LG Series TV (Model Number: OLED65B4PUA)
- 77-Inch Class OLED LG Series TV (Model Number: OLED77B4PUA)
- 83-Inch Class OLED LG Series TV (Model Number: OLED83B4PUA)
LG B4 Dimensions (without Stand)
Before mounting the B4 to a wall, you should make sure you have enough room. On dry walls, you can only screw in the wall mount in areas that are supported by studs.
You may need to get a stud finder to find where the studs are located.

You can find the dimensions for each B4 screen size below:
- 48” LG B4: 42.1″ x 24.4″ x 1.8″
- 55” LG B4: 48.3″ x 27.9″ x 1.8″
- 65” LG B4: 57.0″ x 32.8″ x 1.8″
- 77” LG B4: 67.7″ x 38.9″ x 2.0″
- 83” LG B4: 72.9″ x 41.8″ x 2.2″
LG B4 Weight (without Stand)
Each all mount has a weight capacity limit. The good news is that the B4 is extremely lightweight, so most wall mounts should be able to support it.
You can find the weight specification for each TV set below:
- 48” LG B4: 25.4 lbs. (or 11.5 kg)
- 55” LG B4: 31.5 lbs. (or 14.3 kg)
- 65” LG B4: 37.7 lbs. (or 17.1 kg)
- 77” LG B4: 50.5 lbs. (or 22.9 kg)
- 83” LG B4: 71.2 lbs. (or 32.3 kg)
LG B4 VESA Mounting Pattern
The VESA Mounting Pattern is the horizontal and vertical distances of the wall mount screw holes located on the backside of the LG B4.

The 48”, 55”, 65” and 77” versions use the same mounting pattern. The biggest screen size, the 83”, requires a bigger pattern.
You can find the VESA for each below:
- 48” LG B4: 300 mm x 200 mm
- 55” LG B4: 300 mm x 200 mm
- 65” LG B4: 300 mm x 200 mm
- 77” LG B4: 300 mm x 200 mm
- 83” LG B4: 400 mm x 400 mm
For a wall mount to be compatible with the B4, it needs to support the weight and VESA pattern of the specific model mentioned above.
If you are looking for specific recommendations, then you can check out our wall mount buyer’s guide.