The Optoma EP1691 not only meets the needs of office presentations, but also offers entertainment with a compact, multi-media interface and integrated speakers.
The Optoma EP1691 uses DLP technology, supports 1280×768 resolution, 2500 ANSI lumens brightness, 2500: 1 contrast ratio and 16:10 frame rate (users can switch to 16: 9 or 4: 3 frames if want. 1W built-in speaker. Lamp life of the machine can reach 2000 hours in normal operation mode and 3000 hours in economy mode. The Optoma EP1691 features TrueVivid color balance technology, which makes it possible to perform well on motion scenes, minimizing blurring or color loss.
Optoma EP1691 is equipped with multiple interfaces such as USB (connected to PC for mouse use via remote control), Audio, S-Video, Video, VGA, Digital Video (HDMI).
Tech Reviewer & Product Analyst
Định Bia has spent over 10 years testing consumer electronics with a focus on smart technology. He work as a product advisor at Biareview where he helped customers find the right devices for their needs. He personally tests every product featured on this site using a consistent evaluation framework covering quality, durability, and value. All reviews are based on experience, not influenced by the manufacturer.




