BenQ LK830ST
| Brand | BenQ · Simulation Projector |
| Type | Installation |
| Resolution | 4K UHD (1080p pixel shift) |
| HDR formats | HDR10, HLG |
| Imaging technology | DLP |
| Light source | Laser (phosphor) |
| Brightness | 4,000 lm ANSI |
| Throw ratio | 0.5:1 |
| Input lag | 1080p: 60 Hz 16.7 ms · 120 Hz 8.3 ms · 240 Hz 4.2 ms · 4K UHD: 60 Hz 16.7 ms |
A single-chip DLP blue-laser projector with a fixed 0.496:1 short-throw lens, rated 4,000 ANSI lumens and 4K UHD output from a pixel-shifted 1080p chip. BenQ sells it for simulation walls, golf simulators and venues; it has two HDMI 2.0 inputs, a 114% offset, 2D keystone with corner fit and warping, and a sealed engine.
Where to buy
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Data sheet
Picture
| White light output | 4,000 lm ANSI | |
| Imaging technology | DLP | |
| Chip / panel diagonal | 0.65 in | |
| Native resolution | 1080p (1920 × 1080) | |
| Native aspect | 16:9Derived | |
| Pixel shift | XPR 4-way | |
| Addressable resolution | 4K UHD (3840 × 2160) | |
| Dynamic contrast | 3,000,000:1 | |
| Colour gamut | Rec. 709 93% coverage | |
| Colour bit depth (per channel) | 10 bit | |
| Gamma / EOTF presets | 2.2, 2.4, 2.6 | |
| HDR formats | HDR10, HLG | |
| Tone mapping | Adjustable | |
| Colour management (CMS) | 6-axis | |
| Picture mode memories | 2 | |
| 3D | Yes | |
| 3D formats | Frame packing, Side-by-side, Top-bottom, Frame sequential |
Light source
| Light source | Laser (phosphor) | |
| Light-source life | 20,000 h normal · 30,000 h eco | |
| Light output control | Continuous |
Optics
| Throw ratio | 0.5:1100″ · 1.10 m | |
| Image size | 70–300 in | |
| Projection offset | 114% | |
| Zoom | Digital | |
| Focal length | 17.51 mm | |
| Aperture (f-number) | 2.8 | |
| Focus | Manual | |
| Vertical lens shift | None | |
| Horizontal lens shift | None | |
| Vertical keystone | 30° | |
| Horizontal keystone | 30° | |
| Auto keystone | Yes | |
| Corner correction | 4-corner | |
| Grid warp | Yes | |
| Interchangeable lens | No |
Motion & gaming
| Max input refresh | 1080p: 120 Hz · 240 Hz · 4K UHD: 60 Hz | |
| Input lag | 1080p: 60 Hz 16.7 ms · 120 Hz 8.3 ms · 240 Hz 4.2 ms · 4K UHD: 60 Hz 16.7 ms |
Inputs & control
| HDMI inputs | 2 × HDMI 2.0 (HDCP 2.2) | |
| Max input resolution | 4K UHD | |
| Control ports | RS-232 | |
| Control-system drivers | AMX |
Audio
| Speaker power | 15 W | |
| Speakers | 1 | |
| Layout | Mono | |
| Audio outputs | 3.5 mm | |
| HDMI audio return | NoneDerived |
Physical & installation
| Dimensions (W × D × H) | 279 × 229 × 121 mm | |
| Weight | 3,600 g | |
| Colours | Black | |
| Orientations | Ceiling, Rear | |
| Ceiling mount | M4 | |
| Ingress protection | IP6X (light engine) | |
| Sealed optical engine | Yes |
Environment & power
| Operating temperature | 0–40°C | |
| Operating humidity | 10–80%RH | |
| Altitude | 3,000 m · high-altitude mode | |
| Power draw | Max 250 W · Normal 230 W · Eco 130 W | |
| Standby | Up to 0.5 W | |
| Networked standby | Up to 2 W | |
| Power supply | External adapter | |
| Mains input | 100–240 V · 50/60 Hz | |
| DC input | 24 V | |
| Fan noise | Normal 30 dB(A) · Eco 24 dB(A) |
Safety & support
| Laser class | Class 1 | |
| Risk group | RG2 | |
| Warranty | 🇺🇸 US 3 yr The page's exceptions are for lamps and refurbished units; ProjectorCentral says there is no hour limit on the light source, imaging or optics (not cited). | |
| User manual | audiogeneral.com |
In the box
| In the box | Power cord, Power adapter, Remote, Remote batteries, Quick start guide, Warranty card | |
| Remote | Backlit |
Reviews
Articles
| Date | Title | Publication |
|---|---|---|
| June 8, 2026 | BenQ LK830ST Multipurpose 4K Laser Projector Review ProjectorCentral · June 8, 2026 | ProjectorCentral |
| May 11, 2026 | BenQ LK830ST 4K UHD Short Throw Golf Simulation Projector Review Projector Reviews · May 11, 2026 | Projector Reviews |
Similar models
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|---|---|---|---|---|---|
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ViewSonic LSD400W WXGA · DLP | WXGA | DLP | 4,000 | $699.99 −$1,899 | Compare |
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BenQ AH700ST 1080p · DLP | 1080p | DLP | 4,000 | $2,299 −$300 | Compare |
BenQ AK700ST 4K UHD · DLP | 4K UHD | DLP | 4,000 | $2,899 +$300 | Compare |
Epson PowerLite 775F 1080p · 3LCD | 1080p | 3LCD | 4,100 +100 | $2,244.67 −$354 | Compare |
Other
Tools
- Throw calculator — How far from the screen the LK830ST needs to sit for a given image size, set to its 0.496:1 lens.
- Download spec as CSV — Every value on this data sheet with its unit and source, one row per spec.
- Download spec as JSON — The same data from the open data API, with variants and identifiers.
Variants & identifiers
Use these to confirm a listing is this exact model. Any of them works at /p/{code}.
| Variant | Region | Type | Code |
|---|---|---|---|
| Standard, US | 🇺🇸 US | ASIN | B0GJN9L2Q5 |
| MPN | LK830ST | ||
| Standard, EU | 🇪🇺 EU | EAN | 4718755096273 |
| MPN | 9H.JT977.75E |
Prices last updated: 13 Nov 2026, 02:34 UTC