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4800Lumens WUXGA Ultrashort Throw

Viewsonic LS831WU Laser Projector

The Viewsonic LS831WU is a versatile home theatre projector with a 4K-compatible WUXGA resolution and 4500 lumens brightness. It features advanced features like a laser light source and HDR support and offers multiple connectivity options, making it an ideal choice for any home entertainment setup.

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Display & Imaging

  • Native Resolution: 1920×1200 (WUXGA) – Delivers crisp, high-definition images.
  • Brightness: 4500 ANSI Lumens – Ensures clear visibility even in well-lit environments.
  • Contrast Ratio: 3,000,000:1 – Produces deep blacks and vibrant colors for an immersive experience.
  • Display Colors: 1.07 Billion Colors – Provides accurate and vivid color reproduction.
  • Light Source Type: Laser Phosphor System – Offers long-lasting and consistent brightness.
  • Light Source Life: Up to 20,000 hours (Normal Mode) – Minimizes maintenance and replacement costs.
  • Lamp Wattage: Nichia 67W x2 – High-quality LED-based illumination.

Optical & Projection Features

  • Lens: F=2, f=2.44mm – Optimized for short-throw projection.
  • Projection Offset: 140% ±6% – Helps position the image at the right height.
  • Throw Ratio: 0.252 – Ultra-short throw for close-range placement.
  • Optical Zoom: Fixed – Maintains focus without manual zooming.
  • Digital Zoom: 0.8x – 2.0x – Allows flexible image adjustments.
  • Image Size: 70″ to 200″ – Suitable for a wide range of screen sizes.
  • Throw Distance: 0.06m – 0.72m (100”@0.21m) – Can project large images from a very short distance.
  • Keystone Correction: H: +10°/-8° , V: +/-10° – Helps align the image properly.

Performance & Audio

  • Audible Noise (Normal Mode): 34dB – Runs quietly for minimal distraction.
  • Audible Noise (Eco Mode): 29dB – Even quieter operation in eco mode.
  • Input Lag: 16ms – Ideal for gaming and fast-motion content.
  • Resolution Support: VGA (640 x 480) to 4K (3840 x 2160) – Handles a variety of input resolutions.
  • HDTV Compatibility: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p – Supports all major HD formats.
  • Video Compatibility: NTSC, PAL, SECAM – Works with different video formats worldwide.
  • Horizontal Frequency: 15K~102KHz
  • Vertical Scan Rate: 23~120Hz

Connectivity

  • Input Ports:
    • Computer In (Shared with Component): 1
    • Composite Video: 1
    • S-Video: 1
    • HDMI: 2 (HDMI 2.0 with HDCP 2.2)
    • Audio-in (3.5mm): 1
    • Audio-in (RCA R/L): 1
    • 3D VESA (Sync): 1
    • HDBaseT: 1
    • RJ45 (LAN Control): 1
  • Output Ports:
    • Monitor Out: 1
    • Audio Out (3.5mm): 1
    • Speakers: 10W Cube x 2 – Delivers built-in audio.
    • USB Type-A (Power): 1 (5V/1.5A) – Can power external devices.
    • 12V Trigger (3.5mm): 1
  • Control Ports:
    • RS232 (DB 9-pin male): 1
    • RJ45: 1

Power & Environmental Features

  • Power Supply: 100-240V ± 10%, 50/60Hz (AC Input)
  • Power Consumption:
    • Normal Mode: 504W
    • Standby Mode: <0.5W
  • Operating Temperature: 0~40℃
  • Net Weight: 9.9kg
  • Dimensions (W x D x H) with Adjustment Foot: 492 x 387 x 157mm

User Experience & Accessories

  • OSD Language Support: 23 languages, including English, French, Spanish, Thai, Korean, German, Italian, Russian, and more.
  • Standard Accessories:
    • Power Cord: 1
    • VGA Cable: 1
    • Remote Control: 1 (with Laser Pointer)
    • Quick Start Guide (QSG): 1

Brand

Viewsonic

viewsonic

Specification

Projection System 0.48″ WUXGA
Native Resolution 1920×1200
Brightness: 4500 ANSI Lumens
Contrast Ratio (SuperEco Mode) 3000000:1
Display Color 1.07 Billion Colors
Light Source Laser Phosphor system
Lamp Life 20000 hours (Normal)
Lens F=2, f=2.44mm
Projection Offset 140%±6%
Throw Ratio 0.252
Zoom Digital 0.8x-2.0x
Image Size 70″~200″
Throw Distance 0.06-0.72m, (100”@0.21m)
Keystone Correction H:+10°/-8° , V:+/-10°
Input Lag 16ms
Connectivity Inputs:

Computer in (share with component): 1

Composite: 1

S-Video: 1

HDMI: 2 , (HDMI 2.0 (HDCP 2.2)

Audio-in (3.5mm): 1

Audio-in (RCA R/L): 1

3D VESA (Sync): 1

HDBaseT: 1

RJ45 Input: 1, (LAN control)

Outputs

Monitor out: 1

Audio out (3.5mm): 1

Speaker: 10W Cube x 2

USB Type A (Power): 1 (5V/ 1.5A), (share with service)

12V Trigger (3.5mm): 1 (3.5mm)

Control:

RS232 (DB 9-pin male): 1

RJ45: 1

Weight 9.9kg
Dimensions (WxDxH) 492x387x157mm
Accessories Power Cord: 1

VGA Cable: 1

Remote Control: 1, (with laser pointer)

QSG: 1

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