Exact source record · ID 28591392LG / TVs
LG 55UX340C
Model 55UX340C · Source ID 28591392
LG 55UX340C is a television with supported graphics resolutions of 3840 x 2160 and display brightness of 400 cd/m². ProductFindr ties this page to source product ID 28591392 and separates verified product facts from optional retailer offers.
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Decision specifications
Facts that change the room.
Panel technology, screen size, HDR formats and gaming inputs.
Supported graphics resolutions
3840 x 2160
Display brightness
400 cd/m²
Native refresh rate
60 Hz
Display resolution
3840 x 2160 pixels
Panel mounting interface
300 x 300 mm
HDMI ports quantity
2
Compatibility before checkout
Questions the SKU still has to answer.
These checks prevent a technically good product from becoming the wrong product for a specific room or signal chain.
- 01
Does the screen size fit the planned viewing distance and wall width?
- 02
Do the HDMI inputs support every required source format and gaming mode?
- 03
Does the room lighting suit the panel technology and published brightness behavior?
Source-backed specification ledger
The facts behind the answer.
ProductFindr keeps the source field names visible so a user or answer engine can distinguish recorded facts from editorial guidance.
- Display diagonal
- 138.7 cm (54.6")
- HD type
- 4K Ultra HD
- Display technology
- LED
- LED backlighting type
- Edge-LED
- Screen shape
- Flat
- Native aspect ratio
- 16:9
- Screen format adjustments
- 4:3, 16:9
- Supported video modes
- 2160p
- Supported graphics resolutions
- 3840 x 2160
- Display brightness
- 400 cd/m²
- Response time
- 9 ms
- Motion interpolation technology
- TruMotion 120 Hz
- Native refresh rate
- 60 Hz
- Contrast ratio (typical)
- 1200:1
- Contrast ratio (dynamic)
- 1000000:1
- Viewing angle, horizontal
- 178°
- Viewing angle, vertical
- 178°
- Display resolution
- 3840 x 2160 pixels
- Tuner type
- Analog & digital
- Analog signal format system
- NTSC
- Digital signal format system
- ATSC
- Number of speakers
- 2
- RMS rated power
- 10 W
- Built-in subwoofer
- No
- Sound modes
- Game, Movie, Music, News, Sports, Standard
- Wi-Fi
- No
- Ethernet LAN
- No
- Product colour
- Black
- VESA mounting
- Yes
- Panel mounting interface
- 300 x 300 mm
- On/off switch
- Yes
- 24p support
- Yes
- PC in (D-Sub)
- Yes
- VGA (D-Sub) ports quantity
- 1
- DVI port
- No
- USB 2.0 ports quantity
- 2
- Component video (YPbPr/YCbCr) in
- 1
- Audio (L/R) in
- 1
- PC Audio in
- Yes
- Headphone outputs
- 1
Image evidence
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SOURCE ID 28591392 · source-verified
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Source & license
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Product records and images in this Home Theater catalog originate from Open Icecat and their respective copyright holders. The Open Icecat-derived catalog remains available at no charge under the Open Content License v1.4.
Modified by ProductFindr on 2026-08-08: source fields were normalized, deterministic summaries were assembled from recorded specifications, and source images were resized to a maximum of 1,200 pixels and converted to WebP. No generative model creates these product facts. Open Icecat content is provided as is, without warranty. ProductFindr's interface and independent room guidance are separate original work.