Overview
ViewSonic's LS831WU is an advanced 4,500 ANSI Lumens WUXGA ultra short throw installation projector perfect for public and commercial display applications. With a 0.25 throw ratio, users can easily get 100" screen from only 21 cm away. Screen size can further be expanded to up to 150" at a lower cost-per-inch compared to commercial displays. Adopting the 2nd generation laser phosphor technology, it offers consistent high brightness for a reliable 20,000 hours lifespan. Built-in HDBaseT receiver and 360° projection capability together ensure the ease of use desired. The embedded 20W cube speakers offer powerful audio right out of the box with three fine-tuned audio modes suitable for different application scenarios.
  • 0.25 ultra short throw for space saving installation
  • 2nd generation Laser Phosphor technology with 20,000 hours lifespan
  • 4,500 ANSI Lumens offering bright images in any environment
  • Cost-effective built-in HDBaseT receiver
  • Creativity realized by 360° projection
Maximum space saving The 0.25 ultra-short throw lens allows for projecting a 100" image from only 21 cm away. Save your space! Reliable long-term performance The laser technology offers a maintenance-free lifespan up to 20,000 hours (4 hours per day for more than 13 years). And the cooling design enables 24/7 operation without degradation of quality or performance. Bright images for public/commercial display Packed with 4500 ANSI lumens and 3,000,000:1 contrast ratio, this projector can deliver bright and razor-sharp images in open spaces with high ambient light. 360° creative applications The projector can freely rotate at any angle vertically to aid with creative applications, allowing projection onto ceilings, walls, or angled signage. Easy image adjustment Horizontal and vertical Keystone correction along with four corner adjustment features eliminate crooked or distorted images for a perfectly proportioned picture every time. Powerful audio with three modes Three audio modes (speech, music, and movie) powered by 20W cube speakers and a DSP chip to deliver the fine-tuned sound performance suitable for different scenarios. SuperColor accuracy ViewSonic's proprietary SuperColor technology displays a wide color range, ensuring that users enjoy a true-to-life color performance in both bright and dark environments without sacrificing image quality. Advanced sealing with IP5X certification The sealed optical engine prevents dust and moisture from entering the projector and affecting the thermal system to ensure that the image quality and long lifespan are maintained.