LG UN343H 55UN343H 55"
The Direct-LED panel delivers native 4K resolution with HDR10 and HLG compatibility, paired with a dedicated hospitality control interface including RS-232 and ECI for seamless set-top box integration. Three HDMI inputs and a 20W stereo speaker system provide practical connectivity and audio for in-room use without external devices. This display is best for hotel operators needing a reliable, easily managed 55-inch screen for guest entertainment and information delivery.
No current retailer price
Snapshot
The 30-Second Version
The LG UN343H is a hospitality TV with solid 4K picture quality but almost no smart features. It's built for hotel rooms and rentals, not living rooms. At USD 695 from Amazon it's fair for property owners, but regular buyers should look at TCL or Hisense instead.
Pros & Cons
Pros
- Native 4K resolution with decent picture quality for the price 73rd
- Hospitality features like RS-232 and ECI control are genuinely useful for rentals 66th
- Three HDMI inputs give you room for a cable box, streaming stick, and console
- Direct-LED panel keeps it simple and reliable
Cons
- Smart features are basically nonexistent, 7th percentile in our database
- 400 nits peak brightness makes HDR feel underwhelming
- 60Hz panel and 8ms response time are rough for gaming
- Only 2 customer reviews, so long-term reliability is hard to judge
What owners think
The Word on the Street
The proof
Performance
The 55UN343H runs a Direct-LED panel with a 1200:1 static contrast ratio and 400 nits peak brightness. That puts picture quality in the 74th percentile of our database, which is solid for a hospitality display. HDR is there on paper with HDR10 and HLG, but 400 nits isn't enough to make HDR pop the way it does on brighter sets. Gaming is a weak spot, 60Hz refresh and 8ms response time land it in the 41st percentile. The 20W stereo speakers are fine for hotel room volume but nothing special, sitting in the 34th percentile for audio.
Specifications
Full Specifications
Display
| Size | 55" |
| Resolution | 4K |
| Panel Type | LED |
| Backlight | Direct LED |
| Aspect Ratio | 16:9 |
| Curved | No |
Picture Quality
| Brightness | 400 nits |
| Peak Brightness | 400 |
| Contrast Ratio | 1200:1 |
| Color Gamut | 16.7 Million Colors |
HDR
| HDR Formats | HDR10, HLG |
| Dolby Vision | No |
| HDR10+ | No |
| HLG | Yes |
Gaming
| Refresh Rate | 60 Hz |
| Response Time | 8 |
Audio
| Speaker Config | 2 |
| Wattage | 20 |
| Dolby Atmos | No |
Connectivity
| HDMI Ports | 3 |
| HDMI Version | 2 |
| USB Ports | 1 |
| Ethernet | No |
| Optical Audio | Yes |
| VESA Mount | 300x300 |
Power & Size
| Power | 135 |
| Energy Star | No |
| Weight | 14.0 kg / 30.9 lbs |
vs Competition
Against the competition, the UN343H is playing a different game. The TCL QM8K and Hisense U8 Series both crush it on brightness and smart features, and they cost about the same for a consumer buyer. The Roku Plus Series 55R6C7 is a more direct budget rival with a far better smart platform. Even the Samsung Neo QLED QN70F and Sony BRAVIA XR XR77A95L are in another league entirely, but they're also way more expensive. The LG's only real edge is the hospitality control suite, which none of those consumer sets offer.
| Spec | LG UN343H 55UN343H 55" | Samsung QN990F | Sony BRAVIA 9 K85XR90 | Hisense U7 Series 65U75QG | TCL QM8K Series 75QM8K | Roku Pro Series 55R8C5 |
|---|---|---|---|---|---|---|
| Screen Size | 55 | 75 | 85 | 65 | 75 | 55 |
| Resolution | 3840x2160 | 7680x4320 | 3840x2160 | 3840x2160 | 3840x2160 | 3840x2160 |
| Panel Type | LED | Mini-LED | Mini-LED | Mini-LED | Mini-LED | Mini-LED |
| Refresh Rate | 60 | 120 | 120 | 165 | 144 | 120 |
| Hdr | HDR10, HLG | HDR10, HDR10+, HLG | HDR10, HLG, Dolby Vision | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10, HDR 10+, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10+, Hybrid Log-Gamma (HLG) |
| Smart Platform | - | Tizen | Google TV | Google TV | Google TV | Roku TV |
| Dolby Vision | false | false | true | true | true | true |
| Dolby Atmos | false | true | true | true | true | true |
| Hdmi Version | 2.0 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 |
| Compare | Compare | Compare | Compare | Compare |
| Product | HDR | Audio | Smart | Gaming | Display | Connectivity | Social Proof | Affordability | Picture Quality |
|---|---|---|---|---|---|---|---|---|---|
| LG UN343H 55UN343H 55" | 60.3 | 32.8 | 6 | 41 | 65.6 | 41.4 | 22.7 | 58.3 | 73.4 |
| Samsung QN990F Compare | 82.1 | 99.8 | 92.4 | 88.1 | 99.6 | 99.9 | 99.6 | 12.6 | 83.3 |
| Sony BRAVIA 9 K85XR90 Compare | 86 | 97.4 | 90.6 | 78.6 | 95 | 92.9 | 86.6 | 12.3 | 78 |
| Hisense U7 Series 65U75QG Compare | 90.1 | 95.2 | 95.1 | 95.1 | 83.7 | 96.6 | 86.6 | 51.3 | 97.5 |
| TCL QM8K Series 75QM8K Compare | 90.1 | 95.2 | 98.7 | 93.2 | 89.3 | 92.9 | 86.6 | 33.3 | 99.4 |
| Roku Pro Series 55R8C5 Compare | 74.4 | 85.7 | 83.9 | 88.1 | 78.1 | 92.9 | 93.5 | 50.1 | 36.1 |
Price
Value & Pricing
Pricing is all over the place. US listings range from USD 695 to USD 800, with Amazon carrying the lower end of that spread. For a 55-inch 4K panel with hospitality control features, USD 695 is reasonable if you're outfitting a rental or small hotel. But if you're just looking for a living room TV, that same money buys you a much smarter set with better HDR from TCL or Hisense. The CAD 947 listing in Canada feels steep for what you get.
Read more
Overview
The LG UN343H 55UN343H is a hospitality TV first, a living room TV second. It's built for hotel rooms and rental properties, with RS-232 control and IR passthrough for set-top boxes. That means it's durable and simple, but it skips a lot of the smart features you'd expect from a consumer LG set.
Picture quality is actually decent for a budget panel. You get a native 4K resolution, HDR10 and HLG support, and 400 nits of brightness. It's not going to blow anyone away, but for in-room entertainment it gets the job done.
Common Questions
Q: Does this TV work with a regular streaming stick?
Yes, it has 3 HDMI inputs, so a Roku, Fire Stick, or Chromecast plugs right in. Just don't expect much from the built-in smart platform.
Q: Is the HDR any good on this panel?
It supports HDR10 and HLG, but with only 400 nits peak brightness the effect is subtle. It's better than nothing but won't match a brighter QLED or OLED.
Q: Can I use this as a gaming TV?
You can, but it's not great. The 60Hz panel and 8ms response time put it in the 41st percentile for gaming in our database. Casual play is fine, competitive gamers should look elsewhere.
Who Should Skip This
Skip this if you want a smart TV for your living room. The smart features rank in the 7th percentile of our database, which is basically dead last. You'd be paying for RS-232 and ECI control ports you'll never touch. If you need good HDR or gaming performance, look at the TCL QM8K or Hisense U8 Series instead, they're brighter and faster for similar money.
Verdict
Buy this if you run a vacation rental, small hotel, or any property where you need centralized control and don't want guests messing with settings. It's a reliable 4K panel with the right ports and control protocols. For everyone else, skip it. You're paying for hospitality features you'll never use and giving up smart TV functionality that's standard on cheaper consumer sets.
Usage Scores
- Overall41.6
- Budget58.3
- Gaming43.9
- Movies39.8
- Sports48.2
- Outdoor34.7
- Portable29.3
- Corporate42.4
- Streaming37.6
- Smart Home28.7