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This hour's deals
LG
LG B4 4K OLED Smart TV
−43%
Open boxTech · Beachcamera

OLED night in, movie-theatre picture

LG B4 4K OLED Smart TV

An open-box LG B4 4K OLED smart TV for anyone who wants deep blacks and a sleek screen.

Deal score 6.2 · Great deal
$899.00$1,576.98 Beachcamera's price new

You save $677.98 at Beachcamera

This deal was in an earlier drop. The store may have changed its price since.

Why it's a great deal

  • Open box from Beachcamera, compared with the price new
  • Beachcamera lists its regular price at $1,576.98: 43% off by its own figures
  • Rated 4.7 out of 5 by 2,000 buyers
Visit Beachcamera

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Price facts

  • This deal was $899.00 at Beachcamera on Nov 12.
  • Checked at 2 stores.

Every store we checked

  • BeachcameraOpen box

    In stock

    $899.00Checked 42 min ago
    Visit Beachcamera
  • BuyDig.comOpen box

    Out of stock

    $899.00Checked 42 min ago
    Visit BuyDig.com
Price history and every store's price →

Reading Beachcamera’s product page for the details…

Specs

Display Type
4K OLEDSource
Display Resolution
4K Ultra HD (3,840 x 2,160)Source
Refresh Rate
120Hz NativeSource
Picture Processor
α8 AI Processor 4KSource
HDR
Dolby Vision / HDR10 / HLGSource
Audio Output
20WSource
Speaker System
2.0 channelSource
Dimensions without Stand
1719 x 989 x 50.9Source
Weight without Stand
22.9Source
HDMI Input
4ea (supports 4K 120Hz, eARC, VRR, ALLM, QMS (4 port))Source

About the LG B4 4K OLED Smart TV

The LG B4 is LG's entry-level OLED, sitting below the C4. It keeps the core OLED strengths: per-pixel contrast, near-instant response and wide viewing angles, with four HDMI 2.1 ports at 4K 120Hz, Dolby Vision and VRR for consoles. It steps down to the α8 processor, a 2.0-channel 20W speaker system and Wi-Fi 5 instead of Wi-Fi 6E. Reviewers rate it as one of the best-value OLEDs for film and gaming, though the C4 is brighter and has better processing.

Best forMovie watchers who want true blacks in a dark roomConsole gamers needing four 4K 120Hz HDMI portsBuyers stepping up from LED who want OLED contrastSmaller rooms and bedrooms in 48 and 55 inches
Pros
  • Per-pixel OLED contrast with perfect blacks
  • Four HDMI 2.1 ports with 4K 120Hz, VRR and ALLM
  • Dolby Vision, HDR10 and HLG support
  • Low input lag and fast panel response for gaming
  • Wide viewing angles; webOS with all major apps
Cons

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Compare the LG B4 4K OLED Smart TV

Lower peak brightness than the C4 and G4
  • α8 processor handles upscaling and motion less cleanly than the α9
  • 20W 2.0 speakers are thin; a soundbar is worth adding
  • Wi-Fi 5 only, no Wi-Fi 6E
  • No MLA panel, so bright-room performance is average
  • What reviewers say

    • 4.7 / 52,000 ratings

    Owners and reviewers treat the B4 as the value pick in LG's OLED line. They praise the picture, gaming features and price-to-performance, and note it is dimmer and less polished in processing than the C4.

    What people mention
    • BrightnessMixedReviewers say it is bright enough for dark rooms but trails the C4 in highlights and daylight viewing.
    • Picture qualityPraisedOwners highlight deep blacks, strong contrast and accurate colors out of the box.
    • GamingPraisedFour HDMI 2.1 ports, VRR and low lag make it a favorite for PS5 and Xbox owners.
    • SoundCriticisedThe 20W 2.0 speakers are described as thin, with little bass.
    • ProcessingMixedThe α8 chip is fine for native 4K but upscaling and motion are a step behind the C4.
    • ReflectionsCriticisedThe glossy screen shows reflections in bright rooms, owners report.

    Questions and answers

    Is the LG B4 worth it over the C4?
    The B4 covers the basics for less: same OLED panel strengths and four HDMI 2.1 ports. The C4 is brighter and has the better α9 processor, so pick it if you watch in a bright room or care about upscaling.
    Is the B4 good for PS5 and Xbox Series X?
    Yes. All four HDMI ports support 4K at 120Hz with VRR and ALLM, and input lag is low. It also supports Dolby Vision gaming.
    What sizes does the B4 come in?
    It is sold in 48, 55, 65, 77 and 83 inches. The 48-inch is the smallest and suits bedrooms and small rooms.
    Does the B4 support Dolby Vision and Dolby Atmos?
    It supports Dolby Vision, HDR10 and HLG for picture. It decodes Dolby Atmos but the built-in 2.0 speakers cannot produce height effects.
    Do I need a soundbar with the B4?
    Most owners add one. The 20W 2.0 speakers are clear but lack bass and scale, so a soundbar or AV receiver improves films noticeably.
    Does it have Wi-Fi 6?
    No. The B4 uses Wi-Fi 5, while step-up LG models add Wi-Fi 6E. Streaming 4K still works fine on a solid Wi-Fi 5 connection.
    LG B4 4K OLED Smart TV vs LG Class OLED evo AI C5 4K Smart TV (2025 Model)

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