LG PK340SG 75"
The 75-inch Direct LED panel delivers native 4K resolution at 300 nits with HDR10 and HLG support, paired with a 1200:1 contrast ratio for clear signage content. Its webOS platform includes embedded content and group management, plus LAN and RS-232 control for easy integration into retail or hospitality setups. Best for facility managers deploying digital signage or TV programming in lobbies, waiting areas, or stores where reliable 16/7 operation matters more than gaming or portability.
요약
The 30-Second Version
A 75-inch commercial workhorse that's dim, basic, and built for lobbies, not living rooms. Great for signage, terrible for movie night.
Pros & Cons
장점
- Big 75-inch 4K screen for a relatively low price 74th
- webOS is genuinely easy to use for signage
- LAN and RS-232 control make it easy to manage remotely
- TAA compliant, which matters for government and corporate buyers
단점
- 300 nits is dim, HDR is basically decorative
- Only two HDMI ports, both HDMI 2.0
- 20W speakers are weak even for a conference room
- No local dimming, contrast is flat and washed out
근거 자료
Performance
The 300-nit brightness and 1200:1 contrast ratio are the headline specs, and they're both firmly in 'meh' territory. That's fine for a menu board in a dim restaurant, but put this next to a window and you'll be squinting. The 60Hz panel and 8ms response time mean it's not built for gaming either. What surprised us is how little LG gives you here for the price, a 75-inch screen with just two HDMI 2.0 ports and a 20W speaker setup that sounds like a laptop from 2015.
Specifications
Full Specifications
Display
| Size | 75" |
| Resolution | 4K |
| Panel Type | LED |
| Backlight | Direct LED |
| Aspect Ratio | 16:9 |
Picture Quality
| Brightness | 300 nits |
| Contrast Ratio | 1200:1 |
HDR
| HDR Formats | HDR10, HLG |
| Dolby Vision | No |
| HDR10+ | No |
| HLG | Yes |
Gaming
| Refresh Rate | 60 Hz |
| Response Time | 8 |
Smart TV
| Platform | webOS |
Audio
| Speaker Config | 2 |
| Wattage | 20 |
| Dolby Atmos | No |
Connectivity
| HDMI Ports | 2 |
| HDMI Version | 2 |
| USB Ports | 1 |
| Ethernet | Yes |
| Optical Audio | Yes |
| VESA Mount | 300x300 |
Power & Size
| Power | 170 |
| Weight | 23.5 kg / 51.8 lbs |
vs Competition
Stacked against the TCL QM8K Series 75QM8K or Hisense U8 Series, the PK340SG gets embarrassed on picture quality. Those sets hit 1,000+ nits with full-array local dimming, while this LG sits at 300 nits with a direct-lit panel and no dimming zones. The Samsung QN990F and Sony BRAVIA 8 are in a completely different league, but they also cost two to three times as much. If you need a commercial display with RS-232 control and a 16/7 duty cycle, none of those consumer sets will work. That's the trade-off.
| Spec | LG PK340SG 75" | Samsung QN990F | Sony BRAVIA 9 K85XR90 | TCL QM8K Series 75QM8K | Hisense U7 Series 65U75QG | Roku Pro Series 55R8C5 |
|---|---|---|---|---|---|---|
| Screen Size | 75 | 75 | 85 | 75 | 65 | 55 |
| Resolution | 3840x2160 | 7680x4320 | 3840x2160 | 3840x2160 | 3840x2160 | 3840x2160 |
| Panel Type | LED | Mini-LED | Mini-LED | Mini-LED | Mini-LED | QLED |
| Refresh Rate | 60 | 120 | 120 | 144 | 165 | 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 | webOS | 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 |
| 제품 | HDR | Audio | Smart | 게이밍 | Display | Connectivity | 사용자 평판 | Affordability | Picture Quality |
|---|---|---|---|---|---|---|---|---|---|
| LG PK340SG 75" | 60.4 | 33 | 26.8 | 41.1 | 74.3 | 37.9 | 9.6 | 39.1 | 36.1 |
| Samsung QN990F Compare | 82.1 | 99.8 | 92.3 | 88.2 | 99.6 | 99.9 | 99.6 | 12.4 | 83.4 |
| Sony BRAVIA 9 K85XR90 Compare | 86 | 97.5 | 90.5 | 78.6 | 95 | 93 | 86.8 | 12.2 | 78.1 |
| TCL QM8K Series 75QM8K Compare | 90.1 | 95.3 | 98.7 | 93.2 | 89.4 | 93 | 86.8 | 33.1 | 99.4 |
| Hisense U7 Series 65U75QG Compare | 90.1 | 95.3 | 95.1 | 95.1 | 83.8 | 96.6 | 86.8 | 51.3 | 97.5 |
| Roku Pro Series 55R8C5 Compare | 74.5 | 85.8 | 84 | 88.2 | 76.1 | 93 | 93.5 | 50 | 36.1 |
가격
Value & Pricing
At around $1,183 USD, this is a lot of screen for the money if you just need a big display for a lobby or meeting room. But as a home TV, it's a bad deal. You can get a much brighter, better-looking consumer TV for the same price. The value here is in the commercial features, not the picture.
B&H Photo 가격 1개 최저 US$1,183
2026년 11월 8일부터 이 제품의 가격을 추적하고 있습니다. 데이터가 쌓이면 차트가 표시됩니다.
더 보기
Overview
The LG PK340SG is a commercial display wearing a TV costume. It's a 75-inch 4K panel built for hotel lobbies and conference rooms, not your living room. The one thing to know: this is a signage screen with a TV tuner, and it's priced like a budget 75-inch while skipping most of what makes a modern TV good.
Common Questions
Q: Can I use this as a regular home TV?
You can, but you shouldn't. The 300-nit brightness and weak contrast will make HDR content look flat, and the 60Hz panel isn't great for sports or gaming. It'll work for casual cable news or a bedroom TV, but there are better options for the same money.
Q: Does this support 4K at 120Hz for gaming?
No. It's a 60Hz panel with HDMI 2.0 ports, so you're capped at 4K 60Hz. If you have a PS5 or Xbox Series X, you'll be leaving a lot of performance on the table.
Q: How is this different from a regular LG TV?
It's built for commercial use. That means a 16/7 duty cycle, LAN and RS-232 control for remote management, and a tuner that works with hotel and hospitality systems. The picture quality is actually worse than most consumer LG TVs because it prioritizes reliability and control over brightness and contrast.
Who Should Skip This
If you're looking for a bright, punchy TV for movies or gaming, this isn't it. Go get a TCL QM8K or Hisense U8 instead. You'll get dramatically better picture quality for about the same price, and you won't miss the RS-232 port unless you're running a hotel.
Verdict
Buy the LG PK340SG if you're outfitting a hotel, restaurant, or office and need a big, manageable screen that won't die from being on all day. Skip it entirely if you want a TV for movies, sports, or gaming. It's a tool, not an entertainment device.
Usage Scores
- 종합36.6
- Budget44.8
- 게이밍39.9
- Movies33.2
- Sports42.2
- Outdoor28.9
- Portable26.5
- Corporate41.4
- Streaming37.2
- Smart Home32.2