Optoma ZH451 4600-Lumen Full HD Laser DLP Projector

Classrooms and meeting rooms get a bright Full HD image from the Optoma ZH451, a compact 4,600-lumen DuraCore laser DLP projector.

It has a 1.6x zoom lens and IP6X dust certification, and Robertson AV can quote multi-room orders.

Key Features

• Brightness: 4,600 lumens
• Resolution: 1080p Full HD (1920 x 1080)
• Laser light source: 30,000 hours maintenance-free
• Zoom lens: 1.6x manual zoom, throw ratio 1.4:1 – 2.24:1
• Install anywhere: 24/7, 360-degree and portrait operation
• Connections: 2 x HDMI 2.0, VGA, 3.5 mm audio in/out, 2 USB-A power, RS-232, RJ-45, 12V trigger, 3D sync
• Built-in sound: 15 W mono speaker
• Management: Optoma Management Suite (OMSC) and Smart App compatible

Ideal For

• Classrooms: long laser life
• Meeting rooms: compact body
• Training rooms: easy installation

Optoma ZH451 4,600-Lumen Full HD 1080p Laser DLP Projector Specifications

Optoma ZH451 technical specifications, grouped by feature

Specification	Details
Picture & Optics
Resolution	1080p Full HD (1920 x 1080)
Brightness	4,600 lumens
Contrast Ratio	300,000:1 (2,000,000:1 dynamic)
Throw Ratio	1.4:1 – 2.24:1
Zoom	1.6x manual
Projection Distance	1 m – 10 m
Keystone Correction	Horizontal and vertical +/-30 degrees
Light Source
Light Source	Laser, 30,000 hours
Audio
Speaker	1 x 15 W
Power & Environment
Noise Level	29 dB min; 36 dB max
Physical
Dimensions (W x D x H)	274 x 216 x 114 mm
Net Weight	3 kg
Additional Features
Display Technology	DLP
Focal Length	20.91 – 32.62 mm
Screen Size	20 – 300 in (0.51 – 7.62 m)
Connections	2 x HDMI 2.0, VGA, 3.5 mm audio in/out, 2 USB-A power, RS-232, RJ-45, 12V trigger, 3D sync
Operation	24/7, 360-degree
Operating Conditions	0 to 40°C, up to 80% humidity
Dust Protection	IP6X certified
General
Brand	Optoma
Model	ZH451

Specifications are verified against the Optoma manufacturer data sheet (October 2026) and may change without notice. Confirm critical requirements with Optoma before ordering.

What’s in the Box

• AC power cord
• Remote control
• 1 CR2025 battery
• Basic user manual

Warranty & Support

Planning a multi-room or multi-site install? Request a quote from Robertson AV for 5 or more units, or call us at 800-919-6548 or email orders@robertsonav.com. Free ground shipping on U.S. orders. Schools, businesses, government agencies and houses of worship: ask us about project and quantity pricing.

Optoma sheet is the Europe/global version; power details are omitted.