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| Features | ||
| Display | DLP | |
| Resolution | XGA (1024x768) | |
| Brightness | 3,700 lumens | |
| Contrast Ratio | 25,000:1 | |
| Audio | Yes | |
| Interface | Inputs 1 x HDMI 1.4a 3D support, 1 x VGA (YPbPr/RGB), 1 x Composite video, 1 x Audio 3.5mm Outputs 1 x VGA, 1 x Audio 3.5mm, 1 x USB-A power 1A Control 1 x RS232 | |
| Projector Lamp | ||
| Lamp Power | 203W | |
| Lamp Life | 6000 (Bright), 12000 (Dynamic), 10000 (Eco), 15000 (Eco+) | |
| Connectivity | ||
| Power | Power supply: 100 ~ 240V, 50 ~ 60Hz Power consumption (standby): 0.5W Power consumption (min): 187W Power consumption (max): 225W | |
| Physical Specifications | ||
| Weight | Gross weight: 8.53 lbs Net weight: 7.25 lbs | |
| Dimension | 12.44" x 9.61" x 4.25" (W x D x H) | |
| Warranty Information | ||
| Warranty | 2 Year Service (1 Year Lamp 12 Month/1000 Hours Which One Comes First) | |
The Optoma X309ST is a high-performance short-throw DLP projector delivering 3,700 lumens brightness and XGA (1024×768) resolution, ideal for classrooms and small conference rooms . Its 0.617:1 throw ratio enables 100-inch projections from just 1 meter away, minimizing shadows and glare during presentations . Built with 203W DLP lamp technology, the X309ST offers a 25,000:1 contrast ratio and 75% uniformity for sharp, vibrant images . Lamp life reaches up to 15,000 hours in Eco+ mode, reducing maintenance costs . Vertical keystone correction (±40°) ensures flexible screen alignment, while the native 4:3 aspect ratio supports 16:9 content . The projector includes HDMI 1.4a (3D-ready), VGA, composite video, and audio inputs, plus VGA and audio outputs . A built-in 10W speaker and USB-A 1A power port simplify setup . Power consumption ranges from 187W (min) to 225W (max), with 0.5W standby . Most regions offer a 1–2 year carry-in warranty depending on distributor .
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