LG GRU510N (ProBeam): Specs, Throw Distance & Alternatives
A bright 4K laser projector for fixed installation, rated by LG at 5,000 ANSI lumens, with a 1.6x manual zoom, lens shift and two 5 W speakers. It shows 4K using a single DLP chip with XPR pixel shift, and its HDMI 2.0 ports limit 4K input to 60 Hz. No input lag figure is published.
Is the LG GRU510N (ProBeam) right for you?
Good for
- Rooms with some light: 5,000 ANSI lumens rated
- Placement flexibility: 1.6x manual zoom with ±50% vertical and ±20% horizontal lens shift
- Built-in sound and streaming: two 5 W speakers and webOS 4.5 (per ProjectorReviews)
- Wireless extras: Wi-Fi, Bluetooth audio out and Miracast, plus HDBaseT input
What to plan for
- No input lag figure is published and no game mode is documented
- 4K is produced by DLP pixel shift, and the highest listed video mode is 4K/60 (HDMI 2.0)
- Netflix is not confirmed on its webOS 4.5 platform
- A 21.4 lb fixed-install projector (weight without the leg), not a portable one
- Laser life is rated at 20,000 hours; Eco-mode hours are not published
Based on manufacturer specifications and published reviews (sources below). We don't do hands-on testing.
LG GRU510N (ProBeam) specs
| Resolution | 4K UHD (3840 × 2160, single-chip DLP XPR pixel shift) |
|---|---|
| Brightness | 5,000 ANSI lumens (LG rating) |
| Display technology | DLP |
| Light source | Laser phosphor |
| Light source life | 20,000 hours |
| Contrast ratio | 3,000,000:1 dynamic (as listed by ProjectorCentral) |
| Throw ratio | 1.32-2.11:1 |
| Lens shift | Vertical ±50%, horizontal ±20% |
| Max refresh rate | 60 Hz |
| HDMI ports | 2 (HDMI 2.0) |
| Speakers | 10 W |
| Weight | 21.4 lb |
How far from the screen?
Lens-to-screen distance for a 16:9 image, calculated from its 1.32-2.11:1 throw ratio. The zoom lets you place it anywhere in the range.
| Screen | Closest | Farthest |
|---|---|---|
| 80″ | 7' 8" | 12' 3" |
| 100″ | 9' 7" | 15' 4" |
| 120″ | 11' 6" | 18' 5" |
| 150″ | 14' 5" | 23' 0" |
LG GRU510N (ProBeam) alternatives at a similar price
In-stock 4K projectors priced closest to it on Amazon today.
| Model | Price today | Amazon rating | Compare |
|---|---|---|---|
| LG GRU510N (ProBeam) (this one) | $3,975 | — | — |
| soundcore Nebula X1 Pro 4K Laser Projector | $3,999 | — | — |
| JVC LX-NZ30B 4K HDR Home Theater Projector | $3,495 | 3.6★ | — |
| AWOL VISION Aetherion Max 4K Projector | $3,299 | — | — |
| BenQ LK936ST 4K Ultra HD Short-Throw Laser DLP Projector | $4,899 | 5.0★ | — |
Where it fits
LG GRU510N (ProBeam) FAQ
- How far from the screen should the LG GRU510N (ProBeam) be for a 100-inch image?
- Between 9' 7" and 15' 4" from lens to screen, depending on the zoom setting (throw ratio 1.32-2.11:1).
- Is the LG GRU510N (ProBeam) native 4K?
- No. Its resolution is 4K UHD (3840 × 2160, single-chip DLP XPR pixel shift). It builds the 4K image with pixel shifting instead of a native 3840 × 2160 chip or panel.
- Does the LG GRU510N (ProBeam) have lens shift?
- Yes. LG lists lens shift of ±50% vertical and ±20% horizontal, plus a 1.6x manual zoom.
Sources
Price, stock and rating come from Amazon and update automatically (last checked Nov 14, 2026, 10:00 PM).
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