ViewSonic LS901-4K
This product is no longer available for sale!
Overview
The ViewSonic LS901-4K is a 4K laser projector designed for large spaces. With its Ultra HD resolution, high brightness, and modern features, this model stands out as a versatile solution suitable for conference rooms, auditoriums, museums, and educational institutions.
Exceptional 4K HDR Image Quality
The LS901-4K delivers a native resolution of 3840 x 2160 pixels, offering four times the clarity of Full HD. This Ultra HD definition, combined with HDR (High Dynamic Range) technology, ensures stunningly sharp and realistic images. The 0.65-inch DMD chip using DLP technology provides high native contrast, producing deep blacks and brilliant whites. With its 8.3 million pixels, this projector brings all content to life, whether it’s detailed presentations, artistic projections, or educational materials requiring high visual precision.
HDR and HLG (Hybrid Log-Gamma) compatibility further enhance image quality by offering an extended dynamic range. Colors are richer and more nuanced, while details in dark and bright areas are preserved. This technology is particularly valuable for high-quality multimedia content, simulations, or complex graphic presentations.
Impressive Brightness for Any Environment
With a brightness of 5500 ANSI lumens, the LS901-4K can project vibrant images even in well-lit environments. This high brightness ensures sharp and readable projections on screens up to 300 inches in diagonal, making it an ideal choice for large rooms, auditoriums, or exhibition spaces.
The third-generation laser phosphor technology used in this projector offers several advantages. Not only does it achieve this impressive brightness, but it also ensures color stability and uniformity across the entire projection surface. Additionally, this lamp-free light source provides an exceptional lifespan of up to 30,000 hours in eco mode, significantly reducing maintenance costs and ensuring consistent performance over the long term.
Installation Flexibility and Advanced Features
The LS901-4K is designed to adapt to a wide range of installation configurations. Its 1.7x optical zoom allows for easy adjustment of the projected image size without moving the projector. The vertical lens shift function offers additional positioning flexibility, while horizontal and vertical keystone correction (H/V keystone) ensures a perfectly rectangular image even when the projector is not placed perpendicular to the screen.
One of the most remarkable features of this model is its 360° projection capability and portrait mode. These features open up new creative possibilities, particularly appreciated in museums, art galleries, or immersive installations. The projector can be oriented in any direction, including towards the floor or ceiling, offering total freedom in designing projection spaces.
The LS901-4K also boasts comprehensive connectivity. It includes two HDMI 2.0 inputs compatible with HDCP 2.3, ensuring compatibility with the latest 4K sources. A USB Type-A port powers external devices, while a 3.5mm audio jack output facilitates connection to external audio systems. Network control via the RJ45 port allows centralized management of the projector, ideal for professional or educational setups.
Energy Efficiency and Durability
The laser technology used in the LS901-4K not only delivers superior image quality and long lifespan but also contributes to the projector’s energy efficiency. The power consumption in normal operation is 245 watts, which is relatively moderate for a projector of this power. In standby mode, consumption drops to less than 0.5 watts, meeting the strictest energy-saving standards.
Durability is another strong point of this model. With a lifespan of up to 30,000 hours, the LS901-4K represents a long-term investment for organizations. This exceptional longevity, combined with the absence of a lamp to replace, translates into reduced operating costs and a lower environmental impact.
Technical Specifications
Specifications
- 4K HDR Laser Projector
- Technology: DMD 0.65” 4K UHD
- Native Resolution: 3,840 × 2,160
- Brightness: 5,500 ANSI lumens, central 6,000 lumens
- Contrast Ratio: 3,000,000:1
- Displayable Colors: 1.07 billion
Light Source
- 3rd Generation Laser Phosphor Technology
- Lifespan:
- Normal Mode: 20,000 hours
- Super Eco Mode: 30,000 hours
Optics
- Lens: F = 2.3-3.0, f = 17.63-27.9 mm
- Projection Offset: 154% ± 10%
- Throw Ratio: 1.2-2.04
- Zoom: Optical 1.7×, Digital 0.8×-2.0×
- Image Size: 76-762 cm
- Projection Distance: 0.80-13.55 m (254 cm at 2.66 m)
- Keystone Correction: Horizontal: ±30°, Vertical: ±30°
- Vertical Lens Shift: 0%, -21%
Performance
- Noise Level: Normal 31 dB, Eco 25 dB
- Input Lag: 4.2 ms
- Supported Resolutions: VGA to 4K UHD
- HDTV Compatibility: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p
- Horizontal Frequency: 15-255 kHz
- Vertical Frequency: 23-240 Hz
Connectivity
- Inputs: 2 × HDMI 2.0 / HDCP 2.3
- Outputs:
- Audio 3.5 mm: 1
- Speakers: 2 × 15 W
- USB Type-A (Power): 1 (5 V / 1.5 A)
- Control:
- RS232 (DB-9 Male): 1
- RJ45 (LAN Control): 1
- USB Type-A (Service): 1
Physical Characteristics
- Power Supply: 100-240 V ± 10%, 50/60 Hz
- Power Consumption: Normal 245 W, Standby < 0.5 W
- Operating Temperature: 0-40 °C
- Weight: Net 4.85 kg, Gross 6.8 kg
- Dimensions (W × D × H) with Feet: 337 × 280 × 132 mm
- Packaging Dimensions: 496 × 387 × 195 mm
Accessories
- Standard:
- Power Cord
- Remote Control
- Quick Start Guide
- Warranty Card (China only)
- Optional:
- Wall/Ceiling Mount: PJ-WMK-007
Frequently Asked Questions
What is the difference between normal mode and eco mode in terms of light source lifespan?
In normal mode, the laser light source lifespan is estimated at 20,000 hours, while in eco mode, it can reach up to 30,000 hours. Eco mode slightly reduces brightness to extend lifespan and lower power consumption.
Is the LS901-4K compatible with 3D content?
No, this model is not compatible with 3D projection. It is optimized to deliver exceptional 2D image quality in 4K resolution.
Can the LS901-4K be used for video gaming?
While this projector is not specifically designed for gaming, its low latency of 4.2 ms makes it perfectly suitable for video games. However, it does not offer gaming-specific features like some dedicated models.
- Eco-contribution included in the sale price.
- Manufacturer reference: 10441494

















