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Capable of projecting a 100-inch image with only 1.7m distance to the projection surface, the Acer K138ST is an ultra-portable short throw LED projector with all the essential entertainment features enabling people to enjoy cinema on the go. Smaller than a sheet of A4 or letter-sized paper, and weighing just 0.75kg (1.7lbs), the K138ST has powerful built-in DTS sound audio so it can easily be carried anywhere without requiring additional speakers. The Acer LumiSense+ enabled K138ST is the world's first LED projector equipped with an intelligent ambient light sensor. This allows the projector to optimize image brightness and color saturation based on ambient lighting conditions, ideal when carried from place to place. The projected image is vibrant and sharp with 100,000:1 contrast at WXGA resolution, while built-in Bluetooth audio connectivity allows it to wirelessly stream audio to a nearby Bluetooth speaker or home theater.
| Product Description | Acer K138ST - DLP projector - 3D | Device Type | DLP projector - 720p | 3D Capable | Yes (3D glasses sold separately) | Microdisplay | DMD Chip | Brightness | 800 lumens | Contrast Ratio | 100000:1 (dynamic) | Resolution | WXGA (1280 x 800) | Native Aspect Ratio | 16:10 | Colour Support | 1.07 billion colours | Bulb type | RGB LED | Bulb life cycle | Up to 20000 hours - normal mode , Up to 30000 hours - economic mode | Video Input | RGB | Video Modes | 480p, 720p, 1080i, 1080p, 480i, 576i, 576p | Speakers | Speaker(s) - integrated | Power | AC 120/230 V | Power Consumption Operational | 80 Watt | Dimensions (WxDxH) | 24 cm x 14.7 cm x 5.9 cm | Weight | 750 g | Manufacturer Warranty | 2-year warranty |
General | |
| Device Type | DLP projector - 720p |
| 3D Capable | Yes (3D glasses sold separately) |
Projector | |
| Microdisplay | DMD Chip |
| Brightness | 800 lumens |
| Brightness (Reduced) | 640 lumens |
| Contrast Ratio | 100000:1 (dynamic) |
| Image Size | 63 cm - 254 cm |
| Projection Distance | 0.4 m - 1.7 m |
| Throw Ratio | 0.8:1 |
| Uniformity | 90 % |
| Resolution | WXGA - WXGA (1280 x 800) (native) / 1920 x 1080 (resized) |
| Native Aspect Ratio | 16:10 |
| Colour Support | 1.07 billion colours |
| Max Sync Rate (V x H) | 120 Hz x 100 kHz |
| Bulb type | RGB LED |
| Bulb life cycle | Up to 20000 hours - normal mode , Up to 30000 hours - economic mode |
| Features | DLP 3D Ready, SmartFormat Technology, 16:9 aspect ratio support, EcoProjection Technology, 24p True Cinema, 16:10 aspect ratio support, 4:3 aspect ratio support, Acer ColorSafe II Technology, MHL compliance, ColorBoost 3D Technology, Bluetooth Audio Support, instant on/off |
Lens | |
| Focus Type | Manual |
| Lens Aperture | F/1.9 |
| Keystone Correction Direction | Vertical |
| Vertical Keystone Correction | -20 / +20 |
Video Input | |
| Analogue video Signal | RGB |
| Video Interfaces | HDMI, MHL |
| Video Modes | 480p, 720p, 1080i, 1080p, 480i, 576i, 576p |
Speakers | |
| Type | Integrated |
| Sound Output Mode | Stereo |
| Output Power / Channel | 3 Watt |
| Speakers | 2 x right / left channel |
Expansion / Connectivity | |
| Interfaces | 1 x Mobile High-Definition Link (MHL) / HDMI , 1 x USB - 4 pin USB Type A , 1 x VGA input , 1 x audio line-in - mini-phone 3.5 mm , 1 x audio line-out |
Miscellaneous | |
| Included Accessories | Carrying case, wireless remote control |
Power | |
| Power Source | AC |
| Voltage Required | AC 120/230 V |
| Power Consumption Operational | 80 Watt |
| Power Consumption Stand by | 0.5 Watt |
Dimensions & Weight | |
| Width | 24 cm |
| Depth | 14.7 cm |
| Height | 5.9 cm |
| Weight | 750 g |
Manufacturer Warranty | |
| Service & Support | Limited warranty - 2 years - carry-in , Limited warranty - lamp - 1 year |
Environmental Parameters | |
| Min Operating Temperature | 5 °C |
| Max Operating Temperature | 40 °C |
| Sound Emission | 33 dBA |
| Sound Emission (Economic Mode) | 29 dBA |
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