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Optoma ZK551
DLP 4K UHD 3D Ready IP6X Laser Projector - 5100 Lumens - 1.6x Zoom - HDMI/USB/Ethernet/WiFi - Built-in 15 Watt Speaker
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A compact, ultra-bright 4K UHD laser projector
The ZK551 is one of Optoma's most compact and simplest DuraCore 4K UHD (3840 x 2160) laser projectors to date. Designed for continuous, maintenance-free operation, it offers powerful image performance, 5100 lumens brightness, flexible installation features and extensive connectivity options in a sleek, compact form factor that is up to 34% smaller than previous Optoma models. As an added bonus, the ZK551 features an external power supply for greater reliability, portability and energy efficiency. Designed for conference rooms, boardrooms and other confined spaces in your business, the ZK551 features a 1.6x zoom for flexible setup. For ultimate convenience, it comes with an EZC-USB WiFi dongle, an RS232 connection for monitoring and control, and a built-in 15W speaker.
Laser Technology
Optoma laser projectors use high-quality lasers to create an image. In most situations, the perceived brightness of laser projectors can be twice that of a traditional lamp model. They also offer better efficiency in maintaining constant brightness, superior colourimetry, instant start-up/shutdown and an extraordinary 30,000-hour lifespan.
The ZK551's Ultra HD 4K resolution delivers sharper, more realistic images and richer colours, allowing you to sit closer to the screen and enjoy a more immersive experience.
Optoma DLP projectors offer CTA (Consumer Technology Association) approved True 4K UHD resolution, capable of projecting 8.3 million pixels onto the screen. That's four times more detail than Full HD and twice as much as competing technology, which only provides 4.1 million pixels.
Quality colours
Create captivating, colourful presentations and lessons. Optoma projectors offer reliable colourimetry suitable for any content and environment: accurate sRGB colours for lifelike images. A display mode is also available to meet all your needs. An ideal feature for projecting graphics or videos.
Practical features
With a range of features, you can control and monitor the projector remotely. Optoma projectors come with a set of RS232 commands for easy and simple use with any control system. The Dynamic Discovery Protocol feature is built directly into the projector. This feature allows for easy installation with AMX control systems. RoomView software provides a configurable interface to power on/off, manage and control up to 250 projectors simultaneously from any computer. Extron IPLink compatibility allows for simplified installation with Extron control systems.
Key features:
- DLP 3D Ready video projector
- Resolution: 4K UHD 3840 x 2160
- HDR compatibility
- DuraCore laser lighting technology with a lifespan of up to 30,000 hours
- Brightness: 5,100 lumens
- Excellent contrast ratio of 300,000:1
- Screen size: 0.51 m ~ 7.62 m (20" ~ 300") diagonal
- Simplified installation: H/V keystone correction +/- 30° (auto vertical), 1.6x zoom
- Sound power: 1 x 15 Watts
- Connectors: HDMI x2 (v2.0), USB, RJ45, RS232
- EZC-USB Wi-Fi dongle included
- 24/7 operation and portrait mode
- Dust-resistant design (IP6X)
- Controlled power consumption: 155 W (min) / 245 W (max)
- 5-year Optoma warranty with return to workshop
- Optoma ZK551
- AC power cord
- Remote control
- 2 AAA batteries
- EZC-USB Wi-Fi dongle
- Quick start guide
Select your criteria
General information |
Product name |
Optoma ZK551 |
Brand |
Optoma | |
Model |
E3P7P81E112 | |
Main characteristics |
Format |
Office |
Light source |
Laser | |
Technology |
DLP | |
Resolution |
3840 x 2160 pixels | |
4K UHD resolution(s) |
No | |
HDR (High Dynamique Range) |
Yes | |
Display format(s) |
16:9 | |
| 4:3 | ||
| 16:10 | ||
Brightness |
5100 Lumens | |
Contrast |
300000 /1 | |
Gaming |
Gamer |
No |
Lens |
Lens Shift |
No |
Focal type |
Standard throw | |
Min focal length |
20.91 mm | |
Max focal length |
32.62 mm | |
Autofocus |
No | |
Video Signals |
Supported video resolution(s) |
4K |
| 1080i | ||
| 1080p | ||
| 480i | ||
| 480p | ||
| 576i | ||
| 576p | ||
| 720p | ||
Supported computer science resolution(s) |
3840 x 2160 pixels | |
| 1280 x 720 pixels | ||
| 1366 x 768 pixels | ||
| 1920 x 1080 pixels | ||
| 1600 x 1200 pixels | ||
| 1280 x 1024 pixels | ||
| 1024 x 768 pixels | ||
| 800 x 600 pixels | ||
| 640 x 480 pixels | ||
3D compatible |
Yes | |
Min vertical frequency |
24 Hz | |
Max vertical frequency |
120 Hz | |
Lamp |
Lamp lifespan |
30000 Hour(s) |
Sound level |
Min sound level |
28 dB |
Max sound level |
30 dB | |
Equipment |
With display |
No |
Remote control |
Yes | |
Sound power |
1 X 15 W | |
Network |
Yes | |
Network standard(s) |
Ethernet | |
Smart |
No | |
Android TV |
No | |
Interactive model |
No | |
Connectivity |
Video inputs |
2 X HDMI Female |
HDMI standard |
HDMI 2.0 | |
Audio outputs |
1 X Line OUT (3.5mm Jack Female) | |
Additional connector(s) |
Port for Kensington lock | |
| USB Type A Female | ||
| 1 X Ethernet - RJ45 Female | ||
| 1 X Serial (RS-232) | ||
Physical characteristics |
Width |
274 mm |
Height |
108 mm | |
Depth |
216 mm | |
Weight |
2.9 kg | |
Power supply |
Consumption |
155 W |
Standby consumption |
0.5 W | |
Warranties |
Commercial warranty |
Seller 2 years
|
Legal warranty |
See terms & conditions
|
|
Safety Information |
Responsible person |
Optoma Benelux BV |
Postal address |
Europalaan 770 D 1363BM Almere The Netherlands | |
Electronic Address |
safety@optoma.com |
See all Optoma products
Product referenced on 10 Oct 2025
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