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Optoma 4K400STx UHD short throw projector

Introducing the 4K400STx, the short throw version of our renowned 4K400x projector, designed for classrooms and meeting spaces where space is limited but big screen experiences are desired.

Future-proof your presentations with this high-brightness True 4K UHD short throw projector. The 4K400STx delivers stunning visuals even in environments where total ambient light control isn't possible.

Key Features:

  • True 4K UHD resolution: Experience crystal-clear images with Ultra HD 4K resolution, providing sharper details and richer colors for a truly immersive viewing experience.

  • Short Throw Projection: Project a supersized 100" image from just over a meter away, allowing for flexible placement and reducing shadows for seamless presentations.

  • Lights-On Viewing: With 4000 lumens of brightness, enjoy vivid and vibrant visuals in any environment, ensuring your presentations leave a lasting impact.

  • Extensive Connectivity: Equipped with dual HDMI ports, audio connections, USB power, 12V trigger, and RS232, ensuring seamless integration with your existing setup.

  • HDR and HLG Compatible: Capable of displaying HDR10 and Hybrid Log Gamma (HLG) content, providing enhanced contrast and a greater sense of depth for more immersive viewing.

  • Amazing Color: Optoma projectors deliver reliable color performance, from accurate sRGB colors for lifelike images to vibrant presentations, meeting the specific needs of your content.

  • Integrated Speaker: Complete your multimedia experience with a powerful built-in speaker, eliminating the need for additional external speakers.

  • Four Corner Correction: Easily adjust the keystone of the projector in both vertical and horizontal planes, ensuring a perfectly square image even in challenging installation environments.

  • Backlit Remote: Our backlit remotes feature subtle white LEDs, making it easy to see and operate, even in low-light conditions.

With the 4K400STx, you can transform any classroom or meeting space into a dynamic and engaging environment, where presentations come to life with stunning visuals and immersive experiences.

Product Specs

Specs Details
Display Technology DLP™
Resolution UHD (3840x2160)
Brightness 4,000 lumens
Contrast Ratio 1,000,000:1
Native Aspect Ratio 16:9
Aspect Ratio - Compatible 4:3
Keystone Correction - Horizontal +/-40°
Keystone Correction - Vertical +/-40°
Horizontal Scan Rate 31 ~ 135Khz
Vertical Scan Rate 24 ~ 120Hz
Uniformity 80%
Screen Size 36.43" ~ 300.53" diagonal
Lamp Info
Light Source Type Lamp
Lamp Watts 240
Lamp Life Hours (up to) 4000 (Bright), 15000 (Dynamic), 10000 (Eco)
Throw Ratio 0.5:1
Projection Distance 15.75" - 129.92"
Zoom 1
Zoom Type Fixed
Focal Length (mm) 7.51mm
Lens Shift Vertical +0%
Native Offset 116%
Connections 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
Noise Level (min) 24dB
Noise Level (max) 28dB
2D Compatibility 480i/p, 576i/p, 720p(50/60Hz), 1080i(50/60Hz), 1080p(50/60Hz), 2160p(50/60Hz)
3D Compatibility Frame-pack: 1080p24, 720p50 / 60
3D Full 3D
Security Security bar, Kensington Lock, Password protected interface
OSD / Display Languages 9 languages: English, French, German, Italian, Japanese, Portuguese, Russian, Chinese (simplified), Spanish
Operating Conditions 5°C40°C/41°F104°F, max altitude 3000M/9843ft, max humidity 85%
Remote Control Backlit home remote
Speaker Count 1
Watts per Speaker 10W
In the Box
AC power cord
Remote control
2x AAA batteries
Basic user manual
Input Lag 4.00ms
Power Supply 100 ~ 240V, 50 ~ 60Hz
Power Consumption (Standby) 0.5W
Power Consumption (Min) 220W
Power Consumption (Max) 320W
Weight and Dimensions
Dimensions (W x D x H) 12.4" x 10.63" x 4.65"
Gross Weight 10.32 lbs
Net Weight 8.77 lbs

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