LG BX (OLED55BX) 4K TV overview


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The most cost effective OLED mannequin in LG’s 2020 vary is simply too good to overlook. Prime-notch picture high quality, a powerhouse good platform and game-friendly spec make it an excellent purchase


  • Superior gaming connectivity
  • Good worth


  • No Freeview Play
  • Presets favour dark-room viewing

Key Specs

  • Evaluate Value: £1199
  • Dolby Imaginative and prescient IQ, HDR10, HLG
  • Filmmaker Mode
  • Dolby Atmos go by
  • Dimensions: 1228 x 706 x 46.9mm (WHD)

The LG BX line is the Korean model’s OLED honeypot flatscreen, priced to shift with a specification that’s solely barely denuded in comparison with its CX stablemates.

It sports activities a third-gen Alpha 7 processor (sibling LG screens use Alpha 9 picture-processing silicon), albeit with AI smarts to boost readability and enhance the consumer expertise.

LG’s much-lauded webOS good platform enjoys an AI improve and comes with a full fist of streaming companies, however there’s no Freeview Play. Consequently, the BX lacks key UK catch-up TV apps, though iPlayer is on board.

Value and availability

The OLED55BX6LB reviewed right here sells for an RRP of £1199/$1199/€1799/CAD$1799/AUD$2995.

It’s additionally obtainable in 65-inches (OLED65BX6LB), priced round £500 extra.


Half razor-thin panel, half backpack (the latter house to electronics and inputs), the LG BX is undeniably handsome. Its ultra-thin bezel barely frames the picture, offered on a central, matching pedestal stand. The look ought to coordinate with any furnishings or inside decor.

The BX has 4 HDMIs. Inputs 3 and 4 are v2.1 and help 4K@120Hz (40Gbps at 10-bit 4:4:4) to take advantage of the PlayStation 5 and Xbox Collection X. The remaining two HDMIs are customary 8-bit 4K/60P ports.

Close up image of a black LG BX TV's ports section on the back

There’s additionally Nvidia G-Sync compatibility, VRR to fight body tearing, and an ALLM sport mode. All HDMIs help AMD FreeSync Premium, too. HDMI 3 is eARC/ARC enabled.

The BX ships with the most recent iteration of LG’s cursor-based Magic Distant management; a Bluetooth pointer with thumbwheel management and devoted buttons for Netflix, Prime Video and Rakuten (accessed through a Motion pictures button).


Whereas the dearth of Freeview Play – and the following absence of all the standard catch-up TV apps – slightly dents the BX’s mainstream attraction, it’s straightforward to treatment the omission with a media streamer or TV field.

That stated, LG’s webOS stays a strong good platform, albeit one which’s now barely cumbersome to make use of. Content material, settings and good features may be accessed from a double-stacked launch bar on the backside of the display screen, or the brand new good house Dashboard.

In relation to good connectivity, there’s no distinction between the BX and fashions increased up the vary. ThinQ AI implementation contains help for digital assistants do you have to need fundamental voice management performance. There’s additionally Apple AirPlay 2 and HomeKit integration.

LG BXA black LG BX TV displaying double stacked launch bar

Streaming apps obtainable embrace Now TV, Disney+, Apple TV,  Sky Retailer, BritBox, Twitch and YouTube.

As with the remainder of LG’s 2020 OLEDs, the set options Adaptive Audio and AI Image mode (accessed through an AI Service menu), which use machine-learning strategies to optimise efficiency. The AI sound processing is just relevant to the inner speaker, and doesn’t switch to a soundbar or exterior machine.

There’s additionally an AI good content material possibility, in a position to make suggestions based mostly in your viewing historical past and app utilization. We’d counsel leaving all of those AI options on.

Image high quality

  • Will get the step down Alpha 7 processor

  • Higher in low gentle environments

  • Delivers excellent HDR highlights

The BX could ostensibly be an “entry-level” LG OLED set, but it surely’s nonetheless higher specified – not less than with regards to next-gen gaming – than OLED rivals costing considerably extra.

Whereas 4K@120fps has but to show itself as a show possibility, having it obtainable will definitely be welcomed by consumers desperate to tick containers.

The Alpha 7 processor doesn’t examine with what the Alpha 9 is ready to ship by way of refinement and finesse. However with out a side-by-side comparability, we definitely didn’t really feel short-changed; its imagery is balanced and filmic – and once you’re gaming or engrossed in a film, differential subtleties don’t quantity to a hill of beans.

LG BXA screen displaying a scene of a movie with a Picture mode settings menu on top

As is LG’s wont, there’s all kinds of image modes to select from – Vivid, Commonplace, Eco, Cinema, Sports activities, HDR impact, Filmmaker mode, ISF Skilled Vivid Room and Darkish Room – however comparatively few which can be more likely to please for those who watch with some ambient lighting. Commonplace and Eco can be our default settings for many content material, not less than in rooms that aren’t shy of some bulbs.

That stated, the TV has Dolby Imaginative and prescient IQ, which is common Dolby Imaginative and prescient modified to swimsuit altering ambient lighting circumstances. There’s no IQ labelling, but when you choose the Dolby Imaginative and prescient Cinema House preset, it engages the TV’s AI Brightness Management perform, which makes use of a lightweight sensor to evaluate room brightness and regulate the image accordingly.

A silver-gray LG OLED BX TV's stand

General HDR efficiency is sweet. Peak brightness was measured at simply over 600 nits (cd/m2), utilizing a 5% testing window. Nonetheless, efficiency drops significantly when measured with a bigger 10% patch. This tells us the BX is completely wonderful delivering small, dramatic, transient highlights (fireworks, visible results), however might dim significantly when a picture encompasses a bigger HDR expanse (doubtlessly sports activities protection, with partially lit stadiums).

The set’s near-black efficiency is subjectively wonderful, the Alpha 7 Clever Processor doing a terrific job of presenting element and texture. Photographs are blisteringly sharp. Color constancy, too, is excellent.

Audio high quality

The BX doesn’t shame itself sonically, both. Its output is weighty sufficient for informal viewing. Whereas the downward-firing sound system on the BX is unequivocally stereo, there’s an choice to go by Dolby Atmos to a ready soundbar or house cinema system, so higher sound may be unlocked from apps comparable to Netflix and Prime Video.

The set has 40W of claimed amplification on board, in a easy 2.2 association. It’s similar to what we’ve heard on the CX fashions.

You can purchase it if…

If you happen to’re a gamer along with your sights set on OLED, then with out query. LG at the moment enjoys one thing of a monopoly with regards to OLED shows aimed toward discerning players, and the BX delivers with a formidably superior specification for an excellent worth.

  • You need an reasonably priced OLED

General picture high quality is excessive, with a strong HDR efficiency with regards to fleeting specular highlights – and the BX appears terrific with 4K HDR film content material.

You shouldn’t purchase it if

  • If you would like Freeview Play

For mainstream viewers, the dearth of on a regular basis catch-up companies is disappointing. Whereas some apps have apps have been added, others are nonetheless AWOL

  • You watch HDR content material in vivid rooms

The BX OLED’s presets are far more suited to darkish rooms over vivid rooms. So when watching HDR movies on this TV, keep in mind to maintain the lights low.



Can I exploit voice management with this TV?

Sure, the LG OLED55BX helps voice management.

Does it have Freeview Play?

No, the LG OLED55BX doesn’t have Freeview Play.

What HDR codecs does it help?

The LG OLED55BX helps Dolby Imaginative and prescient IQ, HDR10 andHLG codecs.








Display Dimension

Dimension (Dimensions)

Dimension (Dimensions with out stand)



Working System

Launch Date

First Reviewed Date

Mannequin Quantity

Mannequin Variants



Forms of HDR

Refresh Fee TVs


HDMI (2.1)

Audio (Energy output)



Show Know-how

Jargon buster

Dolby Imaginative and prescient

Dolby Imaginative and prescient is a variant of HDR, including a layer of dynamic metadata to the core HDR sign. This dynamic metadata carries scene-by-scene (or frame-by-frame) directions from content material creators on how a TV ought to current the photographs to enhance every thing from brightness to distinction, detailing and color replica.

HLG (Hybrid-Log Gamma)

HLG is a HDR format co-developed by the BBC and Japanese nationwide broadcaster NHK for transmission of broadcast and dwell streamed content material in HDR. It’s backwards suitable with SDR transmission requirements, enabling individuals with out a HDR TV to obtain the identical feed however downsampled.


Natural Gentle Emitting Diode is panel expertise that permits every particular person pixel to provide gentle slightly than counting on a backlight. This allows the display screen to precisely show blacks by turning off the pixel, leading to improved distinction in comparison with typical LCD panels.

Filmmaker Mode

Filmmaker Mode is an image mode supported by some TV producers that disables post-processing options (e.g. movement smoothing), and preserves the proper side ratios, colors and body charges that respects the unique writer’s artistic intent.


Upscaling refers back to the course of whereby a TV receives a picture decrease than its native decision and fills within the lacking info to create a picture. Upscaling successfully guesses which pixels go the place to make up the brand new picture. The higher the upscaler, the higher the ensuing picture and with the appearance of synthetic intelligence, it has helped to make for extra subtle guesses.


eARC (Enhanced Audio Return Channel) is the replace to ARC and it boosts the bandwidth and velocity, making room for object-based audio encompass codecs comparable to DTS:X and Dolby Atmos to be despatched on to an AV receiver/soundbar.

Dolby Imaginative and prescient IQ

Dolby Imaginative and prescient IQ is a complicated model of the usual Dolby Imaginative and prescient sign. It makes use of the metadata inside its personal HDR sign at the side of a TV’s gentle sensor to detect how vivid or how darkish a room is with a purpose to optimise the image high quality so content material retains constant luminance (brightness) and element irrespective of how vivid or darkish the room is.

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