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ViewSonic LS901-4K 4K UHD Laser Projector for Home Theater & Professional Presentation – Full Product Details
The ViewSonic LS901-4K is a high-brightness 4K UHD laser projector designed for home theater, professional presentations, large-screen entertainment and demanding AV installations. Featuring a native 3840 x 2160 4K UHD resolution, 5500 ANSI lumens brightness and a 3,000,000:1 contrast ratio, it delivers sharp, detailed and vibrant visuals for movies, presentations, sports, gaming and multimedia content.
Powered by a 0.65-inch 4K UHD DMD and third-generation Laser Phosphor technology, the LS901-4K provides up to 20,000 hours in Normal mode and 30,000 hours in Eco mode. Its 1.7x optical zoom, vertical lens shift, H/V keystone correction, four-corner adjustment and 360-degree projection provide flexible installation options. The projector also supports HDR/HLG, 21:9 content, 4K input and a low 4.2ms input lag for fast-paced gaming and interactive applications.
Product Specifications
| Display & Projection | |
|---|---|
| Model | LS901-4K |
| Projection System | 0.65-inch 4K UHD DLP |
| Native Resolution | 3840 x 2160 4K UHD |
| Brightness | 5500 ANSI Lumens |
| Center Brightness | 6000 Center Lumens |
| Contrast Ratio | 3,000,000:1 |
| Display Colors | 1.07 Billion Colors |
| Aspect Ratio | 16:9; Supports 21:9 |
| Light Source | Laser Phosphor |
| Light Source Life | 20,000 Hours Normal / 30,000 Hours Eco |
| Throw Ratio | 1.2–2.04 |
| Optical Zoom | 1.7x |
| Digital Zoom | 0.8x–2.0x |
| Image Size | 30–300 Inches |
| Throw Distance | 0.80–13.55 m; 100-inch image at approximately 2.66 m |
| Projection Offset | 154% ±10% |
| Keystone Correction | Horizontal ±30° / Vertical ±30° |
| Vertical Lens Shift | 0% to -21% |
| Projection | 360° Projection / 90° Portrait Mode |
| Input Lag | 4.2 ms |
| Noise Level | 31 dB Normal / 25 dB Eco |
| Video & Compatibility | |
| Resolution Support | VGA 640 x 480 to 4K UHD 3840 x 2160 |
| HDTV Compatibility | 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p |
| HDR Support | HDR / HLG |
| Horizontal Frequency | 15–255 kHz |
| Vertical Scan Rate | 23–240 Hz |
| Refresh Rate | Up to 240 Hz |
| Connectivity | |
| HDMI | 2 x HDMI 2.0 / HDCP 2.3 |
| Audio Out | 1 x 3.5 mm |
| USB Type-A Power | 1 x USB-A, 5V/1.5A |
| USB Service | 1 x USB-A Service |
| LAN | RJ45 LAN Control |
| RS232 | DB-9 Pin Male |
| Built-in Speakers | 15W x 2 |
| Wireless Casting | Supports Optional ViewShare Wireless Screen Casting Kit |
| Physical & Power | |
| Power Supply | 100–240V ±10%, 50/60Hz |
| Power Consumption | 245W Typical |
| Standby Power | Less than 0.5W |
| Operating Temperature | 0–40°C |
| Dimensions | 337 x 280 x 132 mm |
| Net Weight | 4.85 kg |
| Design | Sealed, Filter-Free Optical Engine |
About This Projector
- Native 4K UHD 3840 x 2160 resolution provides exceptional image detail.
- 5500 ANSI lumens delivers bright visuals for home entertainment and professional venues.
- 0.65-inch DMD technology provides high native contrast and sharp image quality.
- Third-generation Laser Phosphor technology provides up to 30,000 hours of light-source life.
- 1.7x optical zoom allows flexible projector positioning.
- Vertical lens shift and H/V keystone correction simplify installation.
- Supports screen sizes up to 300 inches.
- 360-degree projection and 90-degree portrait mode support creative installations.
- Sealed, filter-free design helps reduce maintenance requirements.
Key Features of ViewSonic LS901-4K
- 4K UHD Resolution: Native 3840 x 2160 resolution delivers detailed cinema, presentation and multimedia content.
- 5500 ANSI Lumens: High brightness maintains clear visuals in larger rooms and environments with ambient lighting.
- HDR/HLG Support: Provides enhanced dynamic range and visual depth with compatible content.
- 1.7x Optical Zoom: Offers installation flexibility without changing the desired screen size.
- Vertical Lens Shift: Provides 0% to -21% adjustment for convenient projector placement.
- Low 4.2ms Input Lag: Suitable for fast-paced gaming and interactive applications.
- 240Hz Support: Supports high refresh-rate signals for smoother fast-motion content.
- 21:9 Aspect Ratio: Designed to support Microsoft Teams Rooms front-row mode.
- Golf Color Mode: Enhances greens and blues for immersive golf simulation applications.
- 360° Projection: Supports flexible projection onto walls, ceilings and floors.
- Long-Life Laser: Up to 20,000 hours Normal and 30,000 hours Eco operation.
Performance & Productivity
The ViewSonic LS901-4K combines native 4K UHD resolution with 5500 ANSI lumens to deliver sharp and highly visible visuals for home cinema, sports, presentations, museums, education and large-venue applications. Its 0.65-inch DMD and high contrast ratio provide detailed images with deep blacks and consistent image quality.
Installation is simplified through the 1.7x optical zoom, vertical lens shift, H/V keystone correction, four-corner adjustment and 360-degree projection. Dual HDMI 2.0 inputs with HDCP 2.3 support modern 4K sources, while LAN and RS232 connectivity enable centralized professional projector management.
Best Suitable For
- Home theaters and large-screen entertainment
- Professional business presentations
- Corporate conference rooms
- Auditoriums and large venues
- Museums and educational institutions
- Training and event spaces
- Sports and golf simulation environments
- Professional AV installations
- Projection mapping and creative advertising applications
Why Choose ViewSonic LS901-4K?
- Native 4K UHD 3840 x 2160 resolution.
- 5500 ANSI lumens high brightness.
- HDR/HLG compatibility for enhanced visual quality.
- 1.7x optical zoom for flexible installation.
- Vertical lens shift and H/V keystone adjustment.
- Very low 4.2ms input lag for responsive gaming.
- Supports refresh rates up to 240Hz.
- Up to 300-inch large-screen projection.
- Third-generation Laser Phosphor technology with up to 30,000-hour life.
- Sealed, filter-free optical engine for low-maintenance operation.
- LAN and RS232 control for professional AV management.
ViewSonic LS901-4K – Premium 4K Laser Projection Solution
The ViewSonic LS901-4K is a powerful 4K UHD laser projector designed for premium home theater, professional presentation and large-venue applications. With 5500 ANSI lumens, native 4K resolution, HDR/HLG support, 1.7x optical zoom, low 4.2ms input lag, flexible lens shift and up to 300-inch projection, it provides an advanced and versatile solution for cinema, business, education, entertainment and professional AV environments.
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