Optoma
Optoma Zk431st 3D Short Throw DLP Projector - 16:9 - Wall Mountable - White (zk431st)
- 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
- Stock Update:
- 09/04/2026 03:30:52 AM PST
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
- 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 Frequency | 60 Hz |
| Operating Power Consumption | 147 W |
| Standby Power Consumption | 500 mW |
| Physical Characteristics | |
| Form Factor | Wall Mountable |
| Weight (Approximate) | 6.61 lb |
| Product Color | White |
| Height | 4.3" |
| Color Family | White |
| Width | 8.5" |
| Depth | 10.8" |
| Warranty | |
| Limited Warranty | 3 Year |
| Battery Information | |
| Batteries Included | Yes |
| Display & Graphics | |
| Native Aspect Ratio | 16:9 |
| General Information | |
| Brand Name | Optoma |
| Manufacturer Website Address | http://www.optomausa.com |
| Marketing Information | 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. |
| Product Type | DLP Projector |
| Product Name | 4K Laser Short Throw Projector |
| Manufacturer | Optoma Technology |
| Manufacturer Part Number | ZK521ST |
| Product Model | ZK521ST |
| Technical Information | |
| Projection Method | Front |
| 3D Type | 3D |
| Image | |
| Standard Mode Brightness | 5000 lm |
| Contrast Ratio | 300,000:1 |
| Throw Ratio | 0.79 to 1 |
| Projection Lens | |
| Minimum Projection Distance | 39.37" |
| Maximum Projection Distance | 32.81 ft |
| Maximum Focal Length | 11.60 mm |
| Maximum Diagonal Image Size | 25 ft |
| Throw Type | Short Throw |
| Minimum Diagonal Image Size | 30" |
| Interfaces/Ports | |
| Network (RJ-45) | Yes |
| USB | Yes |
| HDMI | Yes |
| Video | |
| Video Signal Format |
|
| Video Signal Standard | HDTV |
| Output Scan Format | 2160p |
| Lamp | |
| Lamp Type | Laser |
| Economy Mode Lamp Life | 30000 Hour |
| Number of Lamps | 1 |
| Audio | |
| Speaker Included | Yes |
Warranty Information