Description
The BenQ LK830ST is a high-brightness 4K UHD short throw laser projector engineered for professional environments that demand precision, reliability, and vibrant color performance. Featuring 4000 ANSI lumens and true 3840 × 2160 resolution, it delivers sharp, detailed visuals with exceptional clarity—even in well-lit spaces.
Powered by a long-lasting laser light source rated up to 20,000 hours (Normal) and 30,000 hours (Eco), the LK830ST ensures consistent brightness and reduced maintenance over time. Its short throw ratio of 0.496 allows for large 70" to 300" images in tight installations, making it ideal for simulation environments, training rooms, golf applications, retail displays, and immersive experiences.
With 93% Rec.709 color coverage, 30-bit color depth, 2D keystone correction, Corner Fit adjustment, and LAN control capability, the LK830ST provides flexible installation and precise image alignment. Designed for 24/7 operation, it also supports over-the-air firmware updates, ensuring long-term performance and adaptability.
| Specification | Details |
|---|---|
| Brand | BenQ |
| Model | LK830ST |
| Projection System | DLP Single 0.65" DMD |
| Native Resolution | 3840 × 2160 (4K UHD) |
| Brightness | 4000 ANSI Lumens |
| Contrast Ratio | 3,000,000:1 (Full On/Full Off) |
| Display Color | 30-bit / 1.07 Billion Colors |
| Aspect Ratio | Native 16:9 (Selectable Aspect Ratios) |
| Light Source | Laser |
| Light Source Life | 20,000 hours (Normal) / 30,000 hours (Eco) |
| Throw Ratio | 0.496 (Short Throw) |
| Zoom Ratio | Fixed |
| Keystone Correction | Vertical & Horizontal ±30° |
| Projection Offset | 114% |
| Projection Size | 70" – 300" |
| Built-in Speaker | 15W x1 |
| Special Features | 24/7 Operation, 2D Keystone, Corner Fit, LAN Control, OTA Firmware Upgrade, Factory White Balance Adjustment, Optional Filter with Switch |
| Resolution Support | VGA (640 × 480) to 4K UHD (3840 × 2160) |
| Horizontal Frequency | 15K – 135KHz |
| Vertical Scan Rate | 23 – 240 Hz |
| HDTV Compatibility | 720p, 1080i, 1080p, 2160p |
| Video Compatibility | 480i/p, 576i/p, 720p, 1080i/p, 2160p |
| Power Consumption | Max 250W / Normal 230W / Eco 130W |
| Standby Power | < 0.5W |
| Power Supply | 100 – 240V AC |
| Dimensions (W × H × D) | 279.2 × 120.5 × 229.3 mm |
| Weight | 3.4 kg |
| Noise Level | 30 dBA (Normal) / 24 dBA (Eco) |
| Operating Temperature | 0 – 40°C |
| Connectivity | HDMI 1, HDMI 2, USB, RS-232, LAN, Audio Out |
| Security | Security Bar, Kensington Lock |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
