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$569.99
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Comp. Value: $599.99

Customer reviews

Rating 4.7 out of 5 stars with 1543 reviews

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Rating by feature

  • Picture Quality

    Rating 4.9 out of 5 stars

  • Sound Quality

    Rating 4.5 out of 5 stars

  • Brightness

    Rating 4.7 out of 5 stars

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94%would recommend to a friend

Customers are saying

Customers are positive about the 48" Class B4 Series OLED 4K UHD Smart webOS TV (2024)'s picture quality, especially its black levels, refresh rate, and overall OLED quality. Many feel the TV offers great gaming performance and unbeatable value for its price. On the other hand, customers express concerns regarding the remote control and the software's performance. Some have also noted issues with input lag, the stand's design, and the upscaling capabilities.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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Page 1 Showing 1-20 of 72 reviews
  • Pros mentioned:
    Oled quality, Picture quality

    Rated 5 out of 5 stars

    The Ultimate TV: My Research Paid Off!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    LG Has Mastered the Art of the All-in-One TV. This TV is truly in a class of its own and an incredible value. I've had it for over six months now and haven't had a single issue. The size is a huge upgrade from my previous desk TV, and it's definitely been worth it. It's a fantastic all-in-one TV for both work and play, with so many features packed into one device. When I'm gaming on my Xbox, the quality is absolutely fantastic. This TV is so good that I'm already planning to upgrade the rest of the TVs in my house to this standard. LG really holds its value over time, which is a big deal. I did my research for hours before landing on this one, and I'm so glad I did. I even bought one as a birthday gift for a friend, and it's been a game-changer for movie nights at their place. My favorite feature is the ability to turn off the screen while music plays. If you have a music subscription, you can just use the built-in microphone to ask the TV to continue playing your music with the screen off. The Magic Remote is another standout feature. When you shake the controller, a cursor appears on the screen, allowing you to easily point and click on apps instead of having to scroll through a long list. It's a huge time-saver. The TV comes with all the standard smart TV features you'd expect, like major streaming apps and a store where you can download more, including games. It even automatically recognizes when a console or computer is plugged in. For work, it's super easy to connect to. Just grab the remote and select the device you want to put on the screen either by pressing the input button or on screen import button to change the source. The sound is also incredible. I read a review that almost turned me away because the person said it wasn't loud enough. I have the volume set to 10 out of 100, and it's more than loud enough for the entire room. If you want to blast some music, you can turn it up to 100, and it's so powerful you won't even need a separate speaker. You can also play around with the sound settings to get it just right. The picture quality is equally amazing. The OLED display has crisp picture quality and can be adjusted to be brighter or darker. In the photo I provided, you can see a picture of a Cavetown album playing on the darkest setting. Even with direct sunlight coming in from an open window, the glare is barely noticeable and for example not even noticeable when the brightness is turned up which is provide it in the second photo. The HDMI 2.1 ports and 120Hz refresh rate are a huge plus for gaming and movies. Another great feature is the built-in Wi-Fi, which allows you to wirelessly cast your phone's screen with either Apple Cast or Google Cast. I love using this to show friends and family photos I've taken on a much larger screen. You can also connect any Bluetooth headphones or speakers directly to the TV. This is perfect for those times when you want to watch a movie and feel like you're in a theater or watch something early in the morning without disturbing anyone. Finally, you can also get local news channels for free with other TV stations for free as well as long as you have internet. The remote also has dedicated buttons for Netflix, Prime Video, Disney+, LG Channels, Sling TV, and Alexa, making it even easier to get to your favorite apps. This TV is going to last me for years to come. A huge shoutout to LG for making such an incredible TV and to Best Buy for their excellent shipping and handling. They were kind and efficient, and the entire process was seamless. I highly recommend taking advantage of any Black Friday deals for this TV. If you're lost and don't know what TV to get, this is the one. You won't regret it. P.S. if you found this helpful please give it a thumbs up so others can see the comment as well.

    I would recommend this to a friend
  • Pros mentioned:
    Black levels, Oled quality, Picture quality

    Rated 5 out of 5 stars

    Great HDR 4k Gaming TV

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    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    + Great HDR Min and Max for this price range + G-Sync compatible + 120Hz for Gaming +Deep Blacks and Rich Colors, really showing off the OLED. + No noticeable burn in since being in heavy use from Feb 17, 2025 Currently, I don't have any negatives to report. Quality is great and the burn in worry doesn't seem relevant here as it has many features to keep this from happening. The colors are rich and the black levels are amazing for this price range. I've been gaming since I received it and have been having a great time enjoying the quality of image it provides. I recommend this TV for Gaming or a small bedroom for watching movies.

    I would recommend this to a friend
  • Pros mentioned:
    Black levels, Oled quality

    Rated 5 out of 5 stars

    Eye Open on Good TVs

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The LG B4 OLED TV offers a truly stunning visual experience, especially when enjoying high-dynamic-range content. Its OLED panel ensures that colors on HDR and Dolby Vision content truly pop with incredible vibrancy and depth. Blacks are exceptionally deep, providing a remarkable contrast that enhances every scene. This television delivers bright highlights and rich shadow detail, making for an immersive viewing experience. Overall, the LG B4 OLED TV is an excellent choice for those seeking superior picture quality.

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality, Refresh rate

    Rated 5 out of 5 stars

    A Great TV at a Fantastic Price

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is my first time stepping into the OLED world, and I’m honestly blown away by the clarity and richness of the picture. The infinite contrast and deep blacks make movies and shows look incredibly lifelike, and once you experience it, it’s hard to go back to regular LED TVs. The LG B4 also shines when it comes to gaming. With HDMI 2.1 support, VRR (Variable Refresh Rate), ALLM (Auto Low Latency Mode), and that smooth 120Hz panel, games feel fluid and responsive. Input lag is impressively low, making this an excellent choice if you own a PlayStation 5, Xbox Series X, or a gaming PC.

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality, Refresh rate

    Rated 5 out of 5 stars

    Great value

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Been using for almost a year and can say it has been amazing gaming on at 4k 120hz with my pc connected to it(have a monitor also connected to it for competitive play). Looks amazing for entry level oleds and haven’t had no burn in as of yet nor lines. Great value for $550-650

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality, Picture quality

    Rated 5 out of 5 stars

    Best budget OLED

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Best budget OLED! I use this for my Switch 2 and.games look fantastic. Colors look great and the stream apps look great with movies.

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality, Picture quality

    Rated 5 out of 5 stars

    Amazing Deal – LG TV Works Perfect with PS5

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I got an oled LG TV for my PS5 " For the price I paid, it was 100% worth it. Definitely a solid choice if you want good performance without spending a lot.

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality

    Rated 5 out of 5 stars

    Fire!

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    Posted . Owned for 10 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This the best budget tv i ever had its amazing and beautiful picture play ps5 games on it and looks breathtaking. Best buy was quick and safely dropped off

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality

    Rated 5 out of 5 stars

    Best entry level OLED out there

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This Lg OLED tv is amazing, got it on sale for $549, best deal out there for it , the picture is fantastic, the brightness is perfect this is the second OLED I own , I have an LG G3 and this one looks just as amazing, the interface is great and remote is big enough and small enough ( if that makes sense ) to not get annoyed by it

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality

    Rated 5 out of 5 stars

    Once you go OLED you don’t go back!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Once you go OLED you don’t go back. This is my second LG OLED. LG ftw! For this pricey you can’t go wrong. Great starter OELD, but be warned you will need to up grade all your tvs to OLED.

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality

    Rated 5 out of 5 stars

    Dank tv

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    OLED tvs r dank and this one is super dank for the price

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality

    Rated 5 out of 5 stars

    LG Oled

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Oled is way better, never going back to anything else.

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality

    Rated 5 out of 5 stars

    Nice TV

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Delivery no issues what else can I say OLED screen say no more

    I would recommend this to a friend
  • Pros mentioned:
    Black levels, Oled quality, Picture quality

    Rated 5 out of 5 stars

    My Review of the LG 48-inch Class B4 OLED 4K TV

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I’ve been really impressed with the LG 48-inch Class B4 OLED 4K TV. The picture quality is excellent, with deep blacks, vibrant colors, and sharp details that make movies, shows, and games look amazing. The OLED panel really stands out, especially in dark scenes where the contrast looks incredible. Overall, this TV delivers excellent performance and premium picture quality. It’s a great choice if you want an OLED experience in a slightly smaller size.

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality, Picture quality

    Rated 5 out of 5 stars

    LG B4 48” OLED TV

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The LG B4 48” is excellent if you want a 48-50” TV, you don’t have to pay a huge amount to get a great OLED TV! It has an awesome picture and sound. I cannot speak for the Web OS, I used a Firestick 4K since already knew that system and it worked great. The OLED panel delivers the best TV viewing experience I have ever had. Bright, vivid colors that really pop. I never had any issues with it not being bright enough in a moderately lit to well lit room. It has customizable settings for the different picture modes so you can adjust everything to suit you. If you’re considering a OLED TV don’t hesitate on a LG B4! It was a bargain at $599.99! I highly recommend this TV!!!

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality, Picture quality

    Rated 5 out of 5 stars

    Great tv

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Tv is great for the price. It gives you all the new technology needed for gaming. I would get it if you are looking for a smaller tv with top of the line specs and want an oled screen. You may have picture problems with some content where it may not look good, but when there is a good picture, it looks great. Sounds is also good. The tv enhances sound quality, allowing it to get louder

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality, Picture quality

    Rated 5 out of 5 stars

    Amazing TV. Great Value

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    Posted . Owned for 3 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Needed to upgrade the television in my living room to something that had a much better viewing angle. After (far too much) researching different LED panel types, I knew that my best option would always be an OLED. I was concerned that brightness would be an issue because my living room has a lot of natural light - and I couldn’t have been more wrong to be concerned. The screen is wonderfully, and objectively bright, the picture is beautiful, I don’t have any issues with the remote or the OS (but I do use an Apple TV).

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality

    Rated 5 out of 5 stars

    Wow Picture Quality

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    After spending a few weeks with the LG 48-inch, I’ve realized that you don't always need to buy the most expensive "flagship" model to get a true premium experience. As someone who uses this for both late-night movies and heavy PS5 gaming, here is my honest take on what it’s actually like to live with. The first thing I noticed—and it never gets old—is the infinite contrast. Coming from a standard LED TV, seeing "true black" for the first time is a game-changer. When you’re watching a movie set in space or a dark thriller, there’s no gray "haze" or light leaking from the corners. t’s surprisingly perfect. It feels much more immersive than a 42-inch on a desk, but it’s not as overwhelming as a 55-inch in a smaller bedroom.

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality, Picture quality

    Rated 5 out of 5 stars

    Good TV with excellent screen and audio

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great TV with excellent OLED screen and audio with all the premium AI features for the quoted price.

    I would recommend this to a friend
  • Pros mentioned:
    Oled quality, Picture quality

    Rated 5 out of 5 stars

    Great TV

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    spend the money. it's worth it excellent picture quality enen on side view OLED is the way to go. $700 is a steal for this TV? The complaint is generally. it's not bright enough. this TV is plenty bright no picture adjustments were needed to make out of the box. just filmmaker mode and you're ready to go

    I would recommend this to a friend