• 1080p projection with 3800 lumens and 50,000:1 contrast ratio
  • 4K and HDR Compatibility
  • Built-in 3 watt speaker for presentations and audio/video with crisp and clear sound
  • Flexible installations with 1.1x zoom
  • Minimal maintenance with 15,000 hour lamp life

The Optoma EH338 is a bright 1080p projector optimized for small-to-medium rooms, like classrooms, meeting rooms and training labs. Its 3800 lumens and 50,000:1 contrast ratio produces incredible sharp and vivid images, even with moderate room light. Support for Amazing Color ensures accurate color reproduction whether the source is PC, Mac or video devices.

With built-in speaker, EH338 is able to enhance media and presentations. A 15,000-hour lamp life enables many years of use with minimal maintenance.

Brighter Performance

With its 3800 lumens brightness, the EH338 is the best choice in medium-sized spaces. Lights on viewing, vibrant in all conditions.

4K & HDR Compatible

EH338 is capable to accept native 4K signals and compatible with HDR.

High dynamic range (HDR) technology improves contrast ratio, brightness, and color depth on the display, delivers brighter whites and deeper black levels. It enhances the details and depth of field, making the images clearer and more realistic.

15,000 hour lamp life

Via the extended Lamp Life Mode (Eco+), to maximum the projector efficiency with Low TCO.

*Light source life is dependent on many factors, including display mode, usage, environmental conditions and more.  Light source brightness will decrease over time.

Built-in speaker

A built-in integrated 3W speaker allows your content to be heard clearly and is easy to set up without the need for costly external speakers.

Additional information

Display Technology


Native Resolution



Light Source

Lamp Life

4,000/10,000/15,000 (Bright/ECO/Dynamic Black)

Throw Ratio

I/O Connectors

HDMI v1.4a x 1 , HDMI v2.0 x1 , Audio Out 3.5mm jack x 1 , USB-A (for 5V Power 1.5A) x1

Speaker (Watts)


Keystone Correction

Weight (Kg)

Dimensions (W x D x H) (mm)

316 x 243.5 x 108.5

Aspect Ratio



Projected image size

28" – 301"

Projection Lens

F=2.1~2.31 ; f = 15.59~17.14mm; 1.1x manual zoom



Computer Compatibility


Video Compatibility

PAL (B, D, G, H, I, M, N, 576i/p), NTSC (M, 4.43/3.58 MHz, 480i/p), SECAM (B, D, G, K, K1, L) HD (1080i, 720p)

3D Support

Full 3D

3D compatibilty

Side-by-Side:1080i50 / 60, 720p50 / 60 Frame-pack: 1080p24, 720p50 / 60 Over-Under: 1080p24, 720p50 / 60

Horizontal Scan Rate

15.375~91.146 KHz

Vertical Scan Rate

24 – 85 Hz (120Hz for 3D feature projector)

Displayable Colors

1073.4 million colors (10 bit)

Noise Level

Power Supply

100–240V, 50–60Hz, auto-switching

Power Consumption

Power Consumption (Min) @110V 215W, Power Consumption (Max) @110V 325W, Power Consumption (Min) @220V 210W, Power Consumption (Max) @220V 315W



  • EH338-1

  • EH338-2

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  • EH338-6

  • EH338-IO

  • EH338_UM-en