Product Description
LG BF40QS-GL ProBeam 4000 ANSI Lumens Laser Projector | WUXGA (1920×1200) | 4 Corner Keystone | Lens Shift ±50% V / ±20% H | webOS 4.5 | Screen Share | Bluetooth | White
The LG BF40QS-GL ProBeam is a professional-grade laser projector that delivers powerful brightness, precision control, and seamless wireless connectivity — perfect for classrooms, boardrooms, auditoriums, and exhibition environments.
With a WUXGA (1920×1200) DLP engine and 4,000 ANSI lumens, it produces sharp, vibrant images up to 300 inches in size, maintaining exceptional detail and color accuracy even in bright lighting conditions.
Featuring Lens Shift (H ±20%, V ±50%), 1.6x Zoom, and 4 Corner Keystone Correction, installation is incredibly flexible, allowing precise alignment on any surface.
Powered by webOS 4.5, the projector supports wireless screen sharing, DLNA, Bluetooth Sound Out, and LG Sound Sync, making it a truly all-in-one presentation and media solution.
With a durable 20,000-hour laser light source, low noise levels, and multiple connectivity options including HDMI, USB, and RJ45, the LG BF40QS combines smart functionality with professional reliability for any business or educational setup.
Key Features
WUXGA Resolution (1920 × 1200) – 2.3M pixels for sharp, detailed images.
4000 ANSI Lumens Brightness – Clear projection even in well-lit environments.
Laser Light Source – Up to 20,000-hour lifespan with consistent brightness.
Flexible Installation – Lens Shift (V ±50%, H ±20%), 1.6x Zoom, and 4-Corner Keystone.
Smart webOS 4.5 Platform – Built-in browser, wireless content sharing, and app support.
Wireless Screen Share – Connect Android or Miracast-supported devices effortlessly.
Bluetooth Audio & LG Sound Sync – Pair wirelessly with speakers or LG soundbars.
Fast Power On/Off – Start in just 12 seconds and shut down in 2 seconds.
Energy Efficient – Only 245W max power draw with standby below 0.5W.
Compact Design – Sleek white chassis for professional, modern installations.
Specifications
| Category | Details |
| Model | LG BF40QS-GL ProBeam |
| Projection System | DLP |
| Native Resolution | WUXGA (1920 × 1200) |
| Brightness (ANSI Lumens) | 4000 |
| Contrast Ratio | 3,000,000:1 ↑ |
| Uniformity (JBMMA 9 Point) | 85% |
| Aspect Ratio | 16:9 / 16:10 / Original / 4:3 / Zoom Modes |
| Projection Size | 40" – 300" |
| Throw Ratio | 1.30 – 2.08 |
| Standard Throw Distance (100") | Wide 2.8 m / Tele 4.5 m |
| Lens Shift | H ±20%, V ±50% |
| Zoom / Focus | 1.6x / Manual |
| Light Source Type | Laser (LD + P/W) |
| Light Source Life | 20,000 Hours |
| Response Time | 8ms (Input) |
| Speaker Output | 10W (5W + 5W) |
| Noise (Energy Saving Min/Med/Max) | 29 / 27 / 26 dB |
| HDR Support | Yes (HDR10, HDR Effect) |
| Operating System | webOS 4.5 |
| Wireless Sharing | Screen Share (Miracast), DLNA, Android Wireless Share |
| Bluetooth | Bluetooth Sound Out, AV Sync, LG Sound Sync |
| Internet Browser | Yes |
| File Viewer | Office, Movie, Music, Photo via USB |
| Inputs | 2× HDMI, 2× USB 2.0 Type-A, 1× RJ45 (LAN), 1× RS-232C, Audio Out |
| Output | HDMI ARC |
| Control | IP Control, Plug & Play Auto Source Detection |
| Quick Power On/Off | On: 12s / Off: 2s |
| Image Adjustment | 4 Corner Keystone, Black Level Control, Noise Reduction |
| Power Supply | 100–240V, 50/60Hz (Built-in PSU) |
| Power Consumption (Max.) | 245W |
| Standby Power | ≤0.5W |
| Operating Temperature | 0–40°C |
| Dimensions (W×D×H) | 370 × 290 × 155.7 mm |
| Weight (Net) | 10 kg (approx.) |
| Color | White |
| Certifications | CE, FCC Class “A”, CB |
| Included Accessories | Power Cord, Remote Control, User Manual |
| Projection Features | Lens Shift, Zoom, HDR, 4 Corner Keystone, webOS UI, Wi-Fi, Bluetooth |
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