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Acer K138ST Portable LED Projector, 800 Lumens, 10000:1 Contrast Ratio, 25"-100" Image Size, VGA, HDMI, USB, Built-in Speaker

  • DLP Projector
  • Native Resolution (1280 x 800), Maximum Resolution (1920 x 1080), 3-D Ready
  • 800 Lumens
  • 10,000:1 Contrast Ratio
  • 0.8-1 Throw Ratio
  • 25" - 100" Projection Image Size

Your personal cinema, anytime, anywhere.

  • Compelling Visuals
  • Acer LumiSense+
  • Short-Throw Projection
  • Excellent Portability
  • ColorBoost3D/ ColorSafe II
  • Stereo Speakers with DTS Sound
  • Bluetooth Audio Connectivity
  • Wireless Projection
  • 30,000 Hour LED Lamp Life

Compelling Visual
LED Light Source

Thanks to K138ST's LED lamp design, you can enjoy consistent brightness performance and incredibly vivid color reproduction. The color gamut is an impressively high NTSC gamut, which is 134% higher than ordinary lamp projectors. With a 100,000:1 contrast ratio, the K138ST also delivers a vivid image with very dark blacks and brilliant whites while the LED light source generates uncompromised visuals with truly awesome color.


Smart adjustment
Acer LumiSense+

The Acer LumiSense+ equipped K138ST is the world's first LED projector with an ambient light sensor. It can detect ambient lighting conditions and Acer LumiSense+ then dynamically optimizes the projected image's brightness levels and color saturation accordingly. In addition to image optimization based on ambient light, LumiSense+ has clever content-aware technology which also analyzes projected content frame by frame and dynamically adjusts image visibility to the optimum level.


Hassle-free setup
Short Throw Projection

Show movies on a mammoth scale with a small distance! Equipped with a short-throw lens, the K138ST projects a large image up to 100 inches diagonally, from as little as 1.7 M away from the screen. You get lots of projector position flexibility, even in a small space.


Easy bring, easy enjoy
Excellent Portability

Smaller than a sheet of A4 and weighing just 0.75kg (1.7lbs), the K138ST is so easily portable and allows people to bring the cinema with them on the go.

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True-to-life color
Acer ColorBoost3D
Acer ColorSafe II

Acer ColorBoost3D combines 6-segment color wheel design with DLP™ chip and lamp power control capability, improving optical color performance for both 2D and 3D visuals. By boosting the color saturation up to a 30%, the technology provides a luxurious color feast. ColorSafe II prevents excess yellow hues, a sign of color decay, so that color fidelity is preserved even after prolonged use. Enjoy true to life color images, now and always.


Enriched sound
Stereo Speaker with DTS Sound

You can take the K138ST anywhere with ease without needing additional speakers thanks to the built-in speakers. Deepening the audio impact, DTS Sound increases volume without worsening distortion, while at the same time improving bass performance and vocal clarity. It ensures movies come to life, and games are more engaging.


Enhanced Usability
Bluetooth Audio Connection

Bluetooth audio connectivity allows you to wirelessly stream audio to nearby Bluetooth speakers or home theater equipment. Connecting a Bluetooth headset, you can embrace your leisure time with great audio. connecting Bluetooth speakers, you can share the fun with family and friends.


Break free from cables
Wireless Projection

Project wirelessly and keep things clutter-free! Easily stream content from smartphones, tablets or laptops wirelessly through Wi-Fi signal. Mirroring Display allows you to break free from wired inconvenience and project anything on your device without limitation.

* Optional WirelessCAST is required.


30,000 Hour LED Lamp Life

Acer EcoProjection is a complete environmentally friendly power management solution. World-leading ExtremeECO technology produces breakthrough lamp power control and reduces projector power consumption by up to 52 percent, which can extend lamp life up to an amazing 30,000 hrs.


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In the Box


Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Return Policies

  • Return for refund within: Non-refundable
  • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Replacement Only Return Policy. Read full return policy for details.