
ViewSonic LS901-4K 5,500 ANSI Lumens 4K HDR Laser Projector
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- In UK stock, ships from the UK
- UK manufacturer warranty
- UK-based engineers
- No import duty or customs charges
- GBP pricing, UK VAT invoices
Description
Introducing the LS901-4K from ViewSonic’s Luminous Superior Series, tailored for expansive venue displays. Featuring 5,500 ANSI lumens of brightness and high native contrast provided by a 0.65” DMD chip through DLP technology, it delivers stunning 4K UHD visuals on screens larger than 100 inches. Perfect for museums and educational institutions, the LS901-4K’s ultra-high resolution with HDR/HLG support ensures every detail is vivid and clear, enhancing viewer engagement. With 21:9 aspect ratio support, the LS901-4K is also an ideal choice for Microsoft Teams Rooms. Its 1.7x optical zoom allows for a flexible setup to suit various installation needs, and the vertical lens shift and H/V keystone adjustment make the process a breeze. Additionally, portrait mode and 360° projection capabilities cater to more advanced requirements. Comprehensive LAN control ensures seamless integration into corporate networks. Employing advanced 3rd generation laser phosphor technology, the LS901-4K boasts a remarkable 30,000-hour lifespan, reducing maintenance costs for both business and educational institutions.
Technical specifications
Choose a section to view its specifications.
Display (5)
- Resolution
- 3840x2160 (4K UHD)
- Brightness
- 5,500 ANSI Lumens
- Brightness (Centre)
- 6,000 Lumens
- Contrast Ratio
- 3,000,000:1
- Display Colours
- 1.07 Billion Colours
Connectivity (3)
- Optical Zoom
- 1.7x
- Connectivity
- 2x HDMI 2.0 (HDCP 2.3), RJ45 LAN, RS232, USB-A, 3.5mm audio out
- Input Lag
- 4.2ms
Audio (1)
- Audio
- 15W x2 speakers, 3.5mm audio out
Power & Physical (4)
- Image Size
- 30"-300"
- Power Consumption
- 245W (normal)
- Dimensions
- 337 x 280 x 132 mm
- Weight
- 4.85 kg
Certifications & Warranty (1)
- Warranty
- 3 years
General (9)
- Projection Technology
- DLP (0.65" DMD)
- Light Source
- 3rd Generation Laser Phosphor
- Light Source Life (Normal)
- 20,000 hours
- Light Source Life (Eco)
- 30,000 hours
- Throw Ratio
- 1.2 - 2.04:1
- Lens Shift
- V: 0% to -21%
- Projection Distance
- 0.80 - 13.55 m
- Keystone Correction
- H ±30°, V ±30°
- Noise Level
- 31dB (normal) / 25dB (eco)
Throw distance guide
With its 1.2 to 2.04:1 throw ratio, here's how far the projector needs to sit from the screen for common 16:9 image sizes. Try our throw distance calculator for your exact room.
Manufacturer lens-distance limit: 0.8 m to 14 m. The dotted lines show the usable zoom positions for this picture size.
| Image size | Image dimensions | Lens distance range |
|---|---|---|
| 40" | 0.89 m × 0.50 m | 1.1 m to 1.8 m |
| 60" | 1.33 m × 0.75 m | 1.6 m to 2.7 m |
| 80" | 1.77 m × 1.00 m | 2.1 m to 3.6 m |
| 100" | 2.21 m × 1.25 m | 2.7 m to 4.5 m |
| 120" | 2.66 m × 1.49 m | 3.2 m to 5.4 m |
| 150" | 3.32 m × 1.87 m | 4.0 m to 6.8 m |
| 200" | 4.43 m × 2.49 m | 5.3 m to 9.0 m |
| 250" | 5.53 m × 3.11 m | 6.6 m to 11 m |
| 300" | 6.64 m × 3.74 m | 8.0 m to 14 m |
Planning from a real wall? Use the projector screen size calculator to upload a photo, preview the image to scale and find projectors that fit within your maximum available space. Replacing an existing projector? The projector replacement calculator checks whether this lens covers the ratio your current mount needs.
Distances are lens-to-screen, calculated from the manufacturer's stated throw ratio; allow for lens shift and mounting hardware. Always confirm against the manufacturer's installation guide before fixing mounts.
See it on your wall, to scale
Choose a picture size, then upload a wall photo, or scan the QR code and take it on your phone. We'll show the projected picture at its real size.
Complete your setup
Optional extras that fit this product. Tick anything you need and it joins the same basket — or add this product on its own from the buy box above.
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Video Conferencing
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Professional Installation
Want it installed by our AV experts? We offer professional on-site installation including mounting, cable management, and system configuration.
Documents
Delivery & returns
Estimated delivery 15 Sept - 19 Sept. UK mainland delivery only. Some large or made-to-order items carry longer lead times, shown on the product page.
Unused items in original packaging can be returned within 14 days of delivery — see the returns policy for how business and consumer returns differ. Faulty items are covered under manufacturer warranty and by your statutory rights.
Bought in the UK, backed in the UK
This item is in UK stock and ships to you from within the UK, so the order never crosses a customs border on its way to you.
The manufacturer warranty is honoured here in the UK. If something fails, you deal with us, not with an overseas seller in another time zone.
Our own UK-based engineers install, commission and support what we sell, and can attend site when a system needs hands on it.
Delivered within the UK mainland, so there is no import duty, customs charge or courier handling fee waiting for you on delivery.
Prices are in pounds sterling with proper UK VAT invoices, and purchase orders are accepted from approved education accounts: no currency conversion and no surprises at the door.
Payment & security
Pay securely by card. Education customers can apply for a 30-day purchase order account.
Schools, colleges, sixth forms, universities and multi-academy trusts can order on invoice, with no card payment required. Purchase orders and credit terms are for education customers only.
All transactions are processed over an encrypted, secure checkout.
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