Optoma

Optoma Zk431st 3D Short Throw DLP Projector - 16:9 - Wall Mountable - White (zk431st)

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SKU:
21599769
MPN:
zk431st
Availability:
Usually ships the same or next business day. In stock at our CA, GA, PA warehouses.
Shipping:
Calculated at Checkout
Stock Update:
09/04/2026 03:30:52 AM PST
$1,799.00
Stock Update:
09/04/2026 03:30:52 AM PST
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Description



This item is brand-new, factory sealed.

Future-Proofed. Sustainable. Cost-Effective.

Optoma's new generation of lamp-free laser projectors is designed to deliver exceptional visual quality, simplified setup and control, and long-term value across business, education, or simulation environments.

Clear, Shadow-Free Projection for Ambient Light Environments

With 5,000 lumens of high brightness, this projector delivers Full HD visuals even in ambient light. Its short-throw design reduces shadows even in limited spaces, making it ideal for meetings, classrooms, and commercial environments.

Exceptional 4K viewing experience

This projector delivers up to 8.3 million pixels in 4K UHD (3,840 ? 2,160) resolution using advanced DLP technology, producing exceptionally sharp images where even small text and detailed graphs remain clear and easy to read.

Reliable for Long-Term Use with DuraCore Laser

Optoma DuraCore Laser technology delivers consistent brightness, vivid colors, and up to 30,000 hours of lamp-free operation. With instant on/off functionality, reduced power consumption, and no lamp replacements, it offers a lower total cost of ownership and long-term, reliable performance-ideal for business and education environments.

Tailored Display Modes for Business and Education

Tailored display modes for business and education. Optoma projectors deliver long-lasting image precision with DLP technology, ensuring accurate, vibrant colors that bring every detail to life.

Smart Control at Your Fingertips

Optoma Smart Control app streamlines device management and intelligently adjusts screen alignment across Optoma displays, all from your mobile device. From setup to daily operation, it acts as an intelligent remote, enabling control of key functions such as power on/off, input source switching, status alerts, and more, helping users save time and deliver a better viewing experience in any space.

Four-corner adjustment

Correct image distortion effortlessly with four-corner adjustment. Just tap and drag any corner to reshape the frame in real time.

Manage, Monitor, and Diagnose-All from One Place

Optoma Management Suite (OMS™) is an intuitive (cloud-based or via local networking) display management solution, designed to streamline operations by monitoring, diagnosing and controlling audio visual displays from anywhere via a single plarform. With an easy-to-use interface and 24/7 real-time monitoring, OMS enables users to check the status of display devices and make configurations to optimise performance.

Always Stay Updated

This product supports over-the-air (OTA) firmware updates, keeping your projector up to date without the need for USB drives. Updates are delivered automatically, and users simply click Download to install them. Updates may include new features, performance enhancements, and security improvements. This helps reduce IT workload and ensures reliable operation.



Package Contents:
  • 4K Laser Short Throw Projector
  • AC Power Cord
  • Remote Control
  • 2 x AAA Batteries
  • Quick Start User Manual

Features

Package Contents:   
  • 4K Laser Short Throw Projector
  • AC Power Cord
  • Remote Control
  • 2 x AAA Batteries
  • Quick Start User Manual

 

Application/Usage:

Business
Education
Corporate
Commercial
Class Room
Meeting
Training
Board Room

 

Specs

Power Description
Voltage Frequency60 Hz
Operating Power Consumption147 W
Standby Power Consumption500 mW
Physical Characteristics
Form FactorWall Mountable
Weight (Approximate)6.61 lb
Product ColorWhite
Height4.3"
Color FamilyWhite
Width8.5"
Depth10.8"
Warranty
Limited Warranty3 Year
Battery Information
Batteries IncludedYes
Display & Graphics
Native Aspect Ratio16:9
General Information
Brand NameOptoma
Manufacturer Website Addresshttp://www.optomausa.com
Marketing InformationFuture-Proofed. Sustainable. Cost-Effective.
Optoma's new generation of lamp-free laser projectors is designed to deliver exceptional visual quality, simplified setup and control, and long-term value across business, education, or simulation environments.
Clear, Shadow-Free Projection for Ambient Light Environments
With 5,000 lumens of high brightness, this projector delivers Full HD visuals even in ambient light. Its short-throw design reduces shadows even in limited spaces, making it ideal for meetings, classrooms, and commercial environments.
Exceptional 4K viewing experience
This projector delivers up to 8.3 million pixels in 4K UHD (3,840 ? 2,160) resolution using advanced DLP technology, producing exceptionally sharp images where even small text and detailed graphs remain clear and easy to read.
Reliable for Long-Term Use with DuraCore Laser
Optoma DuraCore Laser technology delivers consistent brightness, vivid colors, and up to 30,000 hours of lamp-free operation. With instant on/off functionality, reduced power consumption, and no lamp replacements, it offers a lower total cost of ownership and long-term, reliable performance-ideal for business and education environments.
Tailored Display Modes for Business and Education
Tailored display modes for business and education. Optoma projectors deliver long-lasting image precision with DLP technology, ensuring accurate, vibrant colors that bring every detail to life.
Smart Control at Your Fingertips
Optoma Smart Control app streamlines device management and intelligently adjusts screen alignment across Optoma displays, all from your mobile device. From setup to daily operation, it acts as an intelligent remote, enabling control of key functions such as power on/off, input source switching, status alerts, and more, helping users save time and deliver a better viewing experience in any space.
Four-corner adjustment
Correct image distortion effortlessly with four-corner adjustment. Just tap and drag any corner to reshape the frame in real time.
Manage, Monitor, and Diagnose-All from One Place
Optoma Management Suite (OMS™) is an intuitive (cloud-based or via local networking) display management solution, designed to streamline operations by monitoring, diagnosing and controlling audio visual displays from anywhere via a single plarform. With an easy-to-use interface and 24/7 real-time monitoring, OMS enables users to check the status of display devices and make configurations to optimise performance.
Always Stay Updated
This product supports over-the-air (OTA) firmware updates, keeping your projector up to date without the need for USB drives. Updates are delivered automatically, and users simply click Download to install them. Updates may include new features, performance enhancements, and security improvements. This helps reduce IT workload and ensures reliable operation.
Product TypeDLP Projector
Product Name4K Laser Short Throw Projector
ManufacturerOptoma Technology
Manufacturer Part NumberZK521ST
Product ModelZK521ST
Technical Information
Projection MethodFront
3D Type3D
Image
Standard Mode Brightness5000 lm
Contrast Ratio300,000:1
Throw Ratio0.79 to 1
Projection Lens
Minimum Projection Distance39.37"
Maximum Projection Distance32.81 ft
Maximum Focal Length11.60 mm
Maximum Diagonal Image Size25 ft
Throw TypeShort Throw
Minimum Diagonal Image Size30"
Interfaces/Ports
Network (RJ-45)Yes
USBYes
HDMIYes
Video
Video Signal Format
Video Signal StandardHDTV
Output Scan Format2160p
Lamp
Lamp TypeLaser
Economy Mode Lamp Life30000 Hour
Number of Lamps1
Audio
Speaker IncludedYes

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Optoma Zk431st 3D Short Throw DLP Projector - 16:9 - Wall Mountable - White (zk431st)
$1,799.00