LG (55 inches) OLED B4 Series 4K Ultra HD Smart OLED TV: Review

Wondering if the LG B4 OLED is worth buying? Check out this deep dive review of this model’s picture quality, specifications, gaming, and features to get a better understanding. We have also added a 55-inch model from the B4 series, listed on Amazon.
LG OLED B4 55-inch TV
LG OLED B4 55-inch TV

Offering a premium cinematic experience, the LG (55 inches) OLED B4 Series 4K Ultra HD Smart OLED TV is becoming a top choice among home theatre enthusiasts, gamers, and others. To know if it is worth investing in this model, explore this review. Notably, the B4 series TV models come with self-lit pixels, offering impressive picture quality with striking colors, black levels, and brightness. Along with this, Dolby Vision, Dolby Atmos, and the latest α8 AI Processor make sure to enhance content in terms of picture and audio. 

Combining cutting-edge technology with sleek design, B4 OLED models from the gadget zone category can be among the best LG TV match for those who want to redefine their television viewing experience. BONUS: We have also added an LG 55-inch OLED TV, listed on Amazon, to fulfill your hunt.

LG B4 OLED Review: Key Features and Specifications

Here are some of the unmissable features and specifications of the LG B4 OLED TV to get a deeper understanding of the product:

Model

‎OLED55B46LA

Model Name

‎B Series

Model Year

‎2025

Resolution

4K

Refresh Rate

120 Hz

Connectivity Technology

Ethernet, HDMI, USB, Wi-Fi

Product Dimensions

23.5D x 122.8W x 77.2H Centimeters

Picture Quality Analysis: Colors, Contrast, and Clarity

Let's start with the LG B4 OLED TV picture quality review, and this model boasts 4K Ultra HD (3840x2160) resolution for super sharp visuals with utmost clarity. It has self-lit pixels that brighten up independently, which offer life-like colors and perfect blacks. Dynamic Tone Mapping Pro, HLG, and HDR 10 support are available for striking colors, contrasts, and brightness. Also, the Alpha 8 AI Processor 4K is equipped for more refined and detailed visuals. 

Dolby Vision picture technology ensures natural-looking images with a good level of brightness for a more life-like TV viewing experience. AI Super Upscaling upgrades the resolution of non-4K content smartly for a full cinematic experience. Take advantage of the AI Brightness Control that automatically optimizes the picture’s brightness level according to the ambient lighting conditions for a better experience.

Gaming Performance: Input Lag, Refresh Rate, and Responsiveness

For the LG B4 OLED gaming performance test, one should know that this model supports a 120Hz refresh rate that ensures glitch-free motion visuals with quick responsiveness and low latency. The LG smart TV also supports 144Hz Game Mode for super smooth motion visuals, even while streaming heavy media. 

Auto Low Latency Mode (ALLM) and Variable Refresh Rate (VRR) support, including NVIDIA G-Sync and FreeSync, ensure a smooth gaming experience. Game Optimizer is also available, which optimizes the sound and visual quality based on the game genre and fine-tunes the overall experience. It also minimizes the input lag. 

Sound Quality: Does It Measure Up?

For the LG B4 OLED TV sound quality review, let's understand the built-in speaker quality and available sound technology. The built-in speaker delivers 20-watt power output and produces stereo sound effects. The featured AI Sound Pro delivers a virtual surround sound 9.1.2 up mix for an immersive sound experience. Additionally, the AI Acoustic Tuning feature is available, which automatically tunes the audio according to the room’s layout for a full cinematic experience. The Adaptive Sound Control feature is available, which balances the audio in real-time according to the content genre for a more personalized audio experience. 

Now, let’s get to know more about the LG 55-inch OLED TV from the B4 Series to find your best TV match from the rest of the models.

Top One Products

  • LG 139 cm (55 inches) OLED B4 Series 4K Ultra HD Smart OLED TV OLED55B46LA

    Balancing between performance and screen size, here is the LG 55-inch smart TV from the B4 Series that has an OLED display panel and boasts 4K ultra HD resolution for impressive picture quality. Running on the webOS platform, this model has a user-friendly interface that makes it easy to access control and quick navigation. Prime Video, Netflix, Jio Hotstar, Sony Liv, Zee5, Apple TV, and more OTT apps are supported on this television set. 4 HDMI ports and 2 USB ports are available to connect set-top boxes, Blu-ray players, gaming consoles, and other external devices. The Alpha 8 AI Processor 4K Gen 7 offers top-tier image quality with fine-tuned detailing, making it one of the best LG TVs. A dedicated Filmmaker Mode is available for users to enjoy raw and original content. 

    Pros:

    • The slimline design of this 4K OLED TV looks sleek
    • My Profile feature helps in customizing the content
    • Dedicated Sports Portal for sports enthusiasts
    • Multi-view feature to enjoy 2 to 4 screens at once

    Cons:

    • Sound quality received a mixed reaction
    01

Who Should Buy the LG B4 OLED?

Those looking for a high-quality OLED TV that offers a cinematic experience can opt for the LG (55 inches) OLED B4 Series 4K Ultra HD Smart OLED TV. In a moderately lit room, this model offers immersive movie and gaming experiences. Home theatre enthusiasts and gamers can think of the B4 Series as their best LG TV match as it offers perfect blacks, striking contrast, top-tier color accuracy, and a smooth gaming experience with VRR and 120Hz refresh rate. 

Also, the 55-inch TV screen size works best in most households in India due to its size, performance, and cost-effectiveness, and it might work for large group gatherings due to its wide viewing angles. Additionally, anyone who is looking for a premium OLED TV without the premium price tag can go for it.

Our Verdict: LG (55 inches) OLED B4 Series 4K Ultra HD Smart OLED TV

From the house of LG’s OLED lineup, the B4 Series is perfect to transform the home into a mini-cinema hall. With features like α8 AI Processor, Dolby Vision, and Dolby Atmos, this TV ensures an immersive experience in terms of picture and sound quality. If you are someone who wants a user-friendly interface, this WebOS-powered LG TV would be the best TV match for you in India. However, it is recommended to do your research and to read online reviews as well to make a choice.

Read More: Google TV vs webOS vs Tizen: Which Smart TV OS is Best?

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Faq's

  • Does the LG B4 OLED support HDMI 2.1?
    +
    This TV model comes with HDMI 2.1 compatibility and offers 4 HDMI 2.1 ports to enable features like 4K resolution at 120Hz refresh rate and VRR for gaming purposes.
  • What are the best picture settings for the LG OLED TV from the B4 series?
    +
    One can change the picture settings as per the preference, ambient lighting, and more. Adjust brightness, picture mode, etc., to enjoy an immersive experience
  • Is the LG B4 OLED worth buying?
    +
    Offering top-tier picture quality and a smooth gaming experience, this LG B4 TV might be a good choice for a cinema-like feel.