Optoma 4K400STx - 4K UHD Short Throw Projector for Classrooms and Meeting Spaces
The Optoma 4K400STx is a bright 4K UHD short throw projector engineered for educational institutions and corporate meeting environments. With 4,000 ANSI lumens of brightness, this True 4K projector delivers large, high-resolution images from a short distance, making it ideal for spaces where traditional long-throw projectors won't fit. Whether you're presenting in a classroom with ambient light or conducting video conferences in a modern meeting room, the 4K400STx maintains vivid colors and sharp visuals while minimizing shadows and obstructions. Its responsive performance and flexible connectivity make it the perfect choice for organizations seeking a reliable, future-proof projection solution.
Key Features
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True 4K UHD Resolution — Native 4K image quality for crisp, detailed presentations and content
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4,000 ANSI Lumens — Bright projection suitable for well-lit classrooms and meeting spaces
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Short Throw Design — Projects large images from minimal distance, ideal for compact rooms
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Dual HDMI Ports — Multiple connectivity options for seamless device integration
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High Refresh Rate Support — Up to 240Hz at 1080p with low input lag for smooth, responsive presentations
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USB Power & 12V Trigger — Simplified installation and automated control integration
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RS232 Control — Professional integration into existing AV control systems
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DLP Technology — Reliable, maintenance-free projection with excellent color accuracy
Technical Specifications
| Specification |
Details |
| Manufacturer |
Optoma |
| Model Number |
4K400STx |
| Projection Technology |
DLP (Digital Light Processing) |
| Native Resolution |
True 4K UHD (3840 x 2160) |
| Brightness |
4,000 ANSI Lumens |
| Throw Ratio |
Short Throw (0.49:1) |
| Maximum Refresh Rate |
240Hz at 1080p |
| Input Lag |
Low latency for responsive performance |
| Video Inputs |
Dual HDMI ports |
| Audio Connections |
3.5mm audio jack |
| Control Interfaces |
RS232, 12V trigger, USB power |
| Ideal Applications |
Classrooms, meeting rooms, training facilities, corporate presentations |
Frequently Asked Questions
What is a short throw projector and why is it ideal for classrooms?
A short throw projector, like the Optoma 4K400STx, projects large images from a minimal distance from the screen or wall. This design is perfect for classrooms because it eliminates shadows cast by instructors and students, provides more usable floor space, and allows teachers to stand near the screen without blocking the image. The 4000 ANSI lumens brightness ensures visibility even with classroom lighting on.
Can the 4K400STx be integrated into existing meeting room control systems?
Yes. The Optoma 4K400STx features RS232 control and a 12V trigger, allowing seamless integration into professional AV control systems. This makes it easy to automate projector functions alongside lighting, audio, and other meeting room equipment for a unified, professional experience.
Is the 4K400STx suitable for gaming and fast-moving content?
Absolutely. With support for up to 240Hz refresh rates at 1080p and low input lag, the 4K400STx delivers smooth, responsive performance ideal for gaming, sports broadcasts, and dynamic video content. This makes it versatile for both professional presentations and entertainment applications.
What connectivity options does the 4K400STx offer?
The projector includes dual HDMI ports for flexible device connectivity, 3.5mm audio connections, USB power for auxiliary devices, and professional control interfaces (RS232 and 12V trigger) for system integration. This comprehensive connectivity ensures compatibility with laptops, media players, and control systems.
