| Specification | Details |
|---|---|
| Model | Acer X1228i |
| Product Type | DLP Projector |
| Technology | DLP™ Projection Technology |
| Display/Chip | N/A |
| Native Resolution | XGA (1024 × 768) |
| Maximum Supported Resolution | WUXGA (1920 × 1200) |
| Brightness | 4,800 ANSI Lumens |
| Contrast Ratio | 20,000:1 |
| Aspect Ratio | Native 4:3 (Supports 16:9) |
| Display Colors | 1.07 Billion Colors |
| Screen Size / Projection Size | 23″ – 300″ (58.4 – 762 cm) |
| Light Source | 203 W Philips UHP Lamp |
| Lamp Life | Standard: Up to 5,000 Hours / ECO: Up to 10,000 Hours / ExtremeEco: Up to 20,000 Hours |
| Lens | Manual Focus Lens |
| Zoom | 1.1× Optical Zoom |
| Focus | Manual |
| Keystone Correction | Vertical ±40° |
| Projection Distance | N/A |
| Connectivity | HDMI, VGA In, VGA Out, Composite Video, Audio In, Audio Out, RS-232, USB Type-A |
| HDMI | 2 × HDMI 1.4a (HDCP 1.4) |
| USB | 1 × USB Type-A |
| Audio | 3 W Built-in Speaker, 3.5 mm Audio In, 3.5 mm Audio Out |
| Network | N/A |
| Wireless | Optional Wireless Projection Adapter |
| Features | Acer LumiSense™, ColorBoost3D™, ColorSafe II, BlueLightShield™, Auto Keystone, HDMI 3D, Acer Smart Format |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Power Consumption | 260 W (Standard), 205 W (ECO), 0.5 W (Standby) |
| Noise Level | N/A |
| Dimensions | 299.5 × 220 × 105.1 mm |
| Weight | 2.4 kg |
| Warranty | 2 Years Acer Local Warranty (Lamp: 1 Year or 1,000 Hours, whichever comes first) |
















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