- 4K400STx Projector
- AC power cord
- Remote control
- 2x AAA batteries
- Basic user manual

Optoma 4K400STx 4K UHD Short Throw Projector - Demo Unit

Recommended Accessories

4K400STx 4K UHD Short Throw Projector
- True 4K UHD resolution
- HDR and HLG compatible
- Bright lamp based 4000 Lumens
- 0.50 Short Throw Ratio
- Created for a competitive gaming advantage - Supports 1080p 240Hz at 4.2ms and 4K 60Hz at 16.9ms
Discover the short throw version of the 4K400x, for when you want a big screen in a smaller space.
Future proof your classroom or meeting room with this high brightness True 4K UHD short throw projector. The 4K400STx delivers rich visuals in any environment even when total ambient light control is not possible.
This projector boasts two HDMI ports, audio connections, USB to power 5V devices, 12V trigger and an RS232 to integrate into your existing control solution.
In addition, enjoy 1080p in 240Hz with 4.2ms input lag when connected to a PC.
HDR and HLG compatible
Capable of receiving and displaying both HDR10 and Hybrid Log Gamma (HLG) HDR content. This Optoma projector allows you to see far more detail and texture. Objects look more solid and lifelike and the extra detail creates a greater sense of depth.
Lights on viewing
This versatile projector combines high brightness and vivid colors for vibrant, true-to-life visuals in any environment*. Make a lasting impression with bigger and bolder presentations any time of day.
Dual HDMI inputs
Play games, stream videos and share photos on the big screen in the comfort of your own home. With dual HDMI inputs, you can easily connect to your games console, set-top box, laptop, PC, Blu-ray player or media streamer with a single cable. You can even turn it into a smart projector by connecting an HDMI dongle like the Google Chromecast™, Amazon Fire TV, Apple TV™ or Roku® stick.
Integrated speaker
Complete your home entertainment experience with the convenience of a powerful built-in speaker for exceptional sound quality and an easy set up without the need for costly external speakers.
USB-Power
Use the USB-A port to power an HDMI dongle, such as Google Chromecast.
Backlit remote
Our backlit remotes are designed using subtle white LEDs to light up the buttons, making it to see and operate, especially in the dark
Click on a spec (like Resolution:) to learn more about it. Click here for the complete glossary. | |
Image Quality |
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Resolution | 4K UHD (3840 x 2160) |
Brightness | 4000 lumens | Contrast Ratio | 1000000:1 |
Uniformity | 80% |
No. of Colors | Full Color |
Aspect Ratio(s) | Native - 16:9 Other(s) - 4:3 |
Display Type | DLP (1 chip); |
Compatibility | |
Data Signals | UHD, WQHD, WUXGA, FHD, UXGA, SXGA, WXGA, HD, XGA, SVGA, VGA, Mac |
Video Signals | 480i/p, 576i/p, 720p(50/60Hz), 1080i(50/60Hz), 1080p(50/60Hz), 2160p(50/60Hz) |
H Sync | 31 ~ 135Khz |
V Sync | 24 ~ 120Hz |
3D Ready | Yes |
Dot Clock | -- |
Connectivity | |
Inputs / Outputs |
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Inputs Description | Inputs 2 x HDMI 2.0 Outputs 1 x Audio 3.5mm, 1 x S/PDIF, 1 x USB-A power 1.5A Control 1 x RS232, 1 x 12V trigger |
Built-in Audio | 10 Watt Speaker |
Projection Lens |
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Lens | -- |
Throw Ratio | 0.5:1 |
Keystone Corr. |
Horizontal and Vertical
Specs: Horizontal and Vertical: +/-40 degrees |
Lens Shift | -- |
Proj. Methods | -- |
General | |
Dimensions | 12.4" x 4.65" x 10.63" (W x H x D) |
Unit Weight | 8.77 lbs. |
Operation | |
Power Supply | 100 ~ 240V, 50 ~ 60Hz |
Power Consumption | 220 |
Ecomode | No |
FCC Class | A |
Audible Noise | 24.0 dB |
Lamp | -- |
Lamp Life | 4000 hours |
Replacement Lamp Cost |
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Included Accessories | |
Items Included | 4K400STx Projector, AC power cord, Remote control, 2x AAA batteries, Basic user manual |
Remote Control | Yes |
Carry Case | No -- |
Warranty | |
Projector | 2 year parts and labor limited warranty on the projector; 90 days lamp warranty |
Lamp | -- |