Product Overview
The Optoma X309ST is a short-throw DLP projector designed for use in classrooms, meeting spaces, and small conference environments. Featuring 3700 lumens of brightness and a native XGA (1024x768) resolution, this projector enables clear and detailed image projection even in well-lit rooms. Its short-throw lens allows for large images from minimal distance, helping to reduce shadows and distractions when placed close to the screen or wall. The lamp is rated for up to 15,000 hours in Eco mode, supporting long-term, low-maintenance operation. With dual HDMI and VGA inputs, USB power output, and integrated 10W speaker, the X309ST offers flexible installation and reliable audio-visual support for presentations and instruction.
Product Features
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Native XGA (1024 x 768) resolution with DLP display technology
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Brightness rated at 3700 lumens for visibility in ambient light
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Short-throw lens projects large images from close range
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Integrated 10W speaker for basic audio playback
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Supports HDMI, VGA, USB power, and RS-232 for control
General Characteristics
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Display Type: DLP
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Native Resolution: 1024 x 768 (XGA)
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Brightness: 3700 ANSI Lumens
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Contrast Ratio: 25,000:1
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Lamp Life: Up to 15,000 hours (Eco Mode)
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Throw Ratio: 0.62:1
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Keystone Correction: Vertical ±40°
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Built-in Speaker: 10W mono
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Connectivity: 2x HDMI, 1x VGA, USB-A (power), RS-232
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Weight: Approx. 6.75 lbs
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Dimensions: 12.4" x 9.6" x 4.3"
Technical Specifications
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Projection System: Single-chip DLP
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Maximum Image Size: Up to 300 inches
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Throw Distance: Short-throw (0.62:1 ratio)
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Aspect Ratio: 4:3 (native), compatible with 16:9 and 16:10
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Input Lag: ~16ms
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Control Interfaces: RS-232, USB-A (power only)
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Audio Out: 3.5mm
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Power Supply: 100–240V, 50/60Hz
Highlights
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Projects images up to 300 inches with 3700 lumens of brightness and native XGA resolution, ensuring legible visuals for text-heavy content even in brightly lit classrooms or offices.
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Short-throw lens design reduces projection distance requirements, minimizing shadows and maximizing usable space, ideal for compact installations close to the screen.
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Integrated 10W speaker provides convenient built-in audio playback for presentations or video content without the need for external audio equipment in smaller rooms.
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Includes HDMI and VGA inputs for legacy and modern devices, along with a USB power port to support streaming sticks or wireless adapters for versatile media integration.
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Lamp life rated up to 15,000 hours in Eco mode reduces long-term maintenance and downtime, supporting dependable performance in education and business environments.
