OPTOMA 

OPTOMA ZK451 4K UHD , 4500 LUMENS 1.4: 2.24:1 THROW RATIO 6.6 LBS 2 X HDMI 2.0 (

Mfg Part Number:  ZK451  
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Price: $1,731.90
Quantity:
In Stock: 4
Last Updated: Sep 01, 2026
No Sales Tax except these states
, PO and Wire.

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 Images in Ambient Light Environments

With 4,500 lumens of high brightness, this projector delivers sharp and readable visuals even in ambient light environments, making it ideal for meetings, classrooms, and commercial spaces.

Exceptional 4K viewing experience

The projectors deliver up to 8.3 million pixels with 4K UHD (3,840 × 2,160) resolution, providing exceptionally sharp images that make even small text and detailed graphs 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.

Instant auto-alignment with Smart FitSmart Fit uses your smartphone's camera to detect the screen frame and automatically correct the image alignment, significantly reducing installation effort.

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.

Aways 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.

Main Specification
General Information
Manufacturer Optoma Technology
Manufacturer Part Number ZK451
Manufacturer Website Address http://www.optomausa.com
Brand Name Optoma
Product Line DuraCore
Product Model ZK451
Product Name 4K UHD Laser Projector
Product Type DLP Projector
Technical Information
Projection Method Front
3D Type 3D
Display & Graphics
Native Aspect Ratio 16:9
Projection Lens
Minimum Focal Length 20.91 mm
Maximum Focal Length 32.62 mm
Minimum Diagonal Image Size 30"
Maximum Diagonal Image Size 25 ft
Optical Zoom 1.6x
Minimum Projection Distance 39.37"
Maximum Projection Distance 32.81 ft
Lamp
Number of Lamps 1
Lamp Type Laser
Economy Mode Lamp Life 30000 Hour
Image
Standard Mode Brightness 4500 lm
Color Supported 1.073 Billion Colors
Contrast Ratio 2,000,000:1
Video
Video Signal Format SECAM
Video Signal Format PAL
Video Signal Format NTSC
Video Signal Standard HDTV
Output Scan Format 2160p
Audio
Speaker Included Yes
Interfaces/Ports
HDMI Yes
USB Yes
Network (RJ-45) Yes
Battery Information
Batteries Included Yes
Power Description
Voltage Frequency 60 Hz
Operating Power Consumption 178 W
Standby Power Consumption 500 mW
Physical Characteristics
Height 4.3"
Width 8.5"
Depth 10.8"
Weight (Approximate) 6.39 lb
Miscellaneous
Application/Usage Presentation
Application/Usage Class Room
Application/Usage Conference Room
Application/Usage Business
Application/Usage Education
Package Contents
  • 4K UHD Laser Projector
  • AC power cord
  • Remote control
  • 2 x AAA batteries
  • Quick start user manual
Warranty
Limited Warranty 3 Year
Additional Warranty Information

3 Year limited parts and labor warranty on projector, 5-year or 12,000 hour light source warranty (whichever comes first)

WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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