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Black rectangular laser projector with front lens and ventilation grilles

ViewSonic

ViewSonic LS901-4K 5500 ANSI Lumens 4K HDR Laser Business Projector

SKU CH-JJX8-JJD20 MPN LS901-4K

A 5500 ANSI lumen 4K HDR laser projector with 1.7x optical zoom, 360-degree projection and 30000-hour light source for large-venue installations

  • Cabinet ColorBlack
  • Brightness5500
  • Native Resolution3840x21060
  • Maximum Resolution3840x21060
  • Aspect Ratio16:9 Aspect Ratio
  • Contrast Ratio3000000:1 Dynamic Contrast Ratio
  • 5500 ANSI lumens deliver bright 4K images even in lit rooms
  • 3,000,000:1 dynamic contrast ratio produces deep blacks and vivid detail
  • Laser light source lasts up to 30,000 hours for low-maintenance operation
  • 7× optical zoom and 360° projection enable flexible placement anywhere
  • Built-in speakers and LAN control simplify installation and daily management

5500 ANSI Lumens 4K HDR Laser Projector

The ViewSonic LS901-4K is a 5500 ANSI lumens laser projector delivering native 3840x21060 resolution with HDR and HLG support. It is built for business installations that require bright, detailed images on screens up to 300 inches in environments where ambient light cannot be fully controlled.

Installation flexibility and upgrade value

The projector replaces lamp-based units with a laser light source rated for 30000 hours of operation, removing routine lamp replacements and reducing maintenance downtime. Its 1.7x optical zoom, 360-degree projection, vertical lens shift and 4-corner adjustment allow placement in difficult rooms where fixed-throw or ceiling-only models cannot be installed.

Sustained operation behaviour

The laser engine maintains consistent brightness and colour accuracy over extended sessions without the brightness decay typical of ageing lamps. Dynamic contrast of 3000000:1 and 1.07 billion display colours remain stable during long presentations or digital signage loops, while LAN control via Crestron, AMX, Extron, PJ Link, ATEN and vController enables remote monitoring and scheduled power cycles for unattended operation.

Highlights

  • 5500 ANSI lumens deliver bright 4K images even in lit rooms
  • 3,000,000:1 dynamic contrast ratio produces deep blacks and vivid detail
  • Laser light source lasts up to 30,000 hours for low-maintenance operation
  • 7× optical zoom and 360° projection enable flexible placement anywhere
  • Built-in speakers and LAN control simplify installation and daily management

Specifications

BrandViewSonic
ModelLS901-4K
Cabinet ColorBlack
Brightness5500
Native Resolution3840x21060
Maximum Resolution3840x21060
Aspect Ratio16:9 Aspect Ratio
Contrast Ratio3000000:1 Dynamic Contrast Ratio
Display Size30-300
Throw Ratio1.2-2.04
Display Colors1.07 Billion
Throw Distance1-10.96
Lamp Life30000
Built-in SpeakersYes
Power Supply100 - 240 VAC, 50/60Hz
Package ContentsProjector, power cable, remote control, Quick Start Guide
Shipping weight6.80 kg
Package size495 × 386 × 196 mm

Questions about this item

What ceiling-mount pattern and throw ratio does the LS901-4K need?

The projector uses a 1.2-2.04 throw ratio and supports 360-degree projection for ceiling, table or wall mounting.

Which keystone and corner-adjustment steps are required during first setup?

Use horizontal and vertical keystone plus four-corner adjustment, then fine-tune with the 1.7x optical zoom for a square image.

When will the laser light source need replacement?

The laser is rated for 30000 hours of operation before brightness drops to half.

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