Bright, Vibrant and Portable

Bright SVGA projector – 3800 ANSI lumens
Accurate colours - sRGB
Low ownership costs - up to 10,000 hours lamp life
Lightweight and portable
Bright, Vibrant and Portable
Project bright vibrant presentations effortlessly any time on day. Designed for meeting rooms and classrooms, Optoma
PJ638S boasts sRGB accurate true to life color reproduction, long lamp life and energy-saving features to provide you with
a low overall cost of ownership. Also, this projector is easy to connect to with multiple inputs and a built-in speaker. Perfect
for connecting a laptop, PC or Blu-ray player for clear projected images with sound. Portable and lightweight projector
can be installed or taken on the move for off-site meetings
Medium Venue
Amazing Colors
For vibrant, natural looking images, Optoma PJ638S incorporates
BrilliantColor™multi-color processing technology, allows the usage of
a more advanced image processing algorithm and enables the usage
of more colors on the color wheel, than the standard Red, Green, Blue
and White segments. The new BrilliantColor™-II technology enables
higher brightness levels by boosting mid-tone colors, resulting in more
vibrant, precisely accurate colors projected on the screen. Even more,
PJ638S offers the flexibility to adjust the color individually (R,G,B
6 Segments Color Wheel
Produces 3X Color Wheel Rotation Speed projectors support PAL video
signals in movie mode, which operate at only 50 Hz frequency. Under
this low frequency, projector increases the speed of the color wheel
rotation from 2X (7200 rpm) to 3X (10800 rpm) resulting in consistent
colors and seamless video playback.
Energy Saving
Using the specially designed lamp mode, you can extend the lamp life
up to 10000 hours. Each mode also has a positive effect on the lamp life,
while lowering the total cost of ownership and reducing maintenance.
Quick Resume
This feature allows the projector to be instantly powered on again, if it
is accidentally switched off.
Auto Power Off
There may be instances when projector is left running when not in use.
To help save energy, the "Auto Power Off" feature automatically turns
off the projector after a set period of time if it’s not being used.
Eco AV mute
Stay in control of your presentation with Eco AV mute. Direct your
audience's attention away from the screen by blanking the image
when no longer needed. This also reduces the power consumption by
up to 70%, further prolonging the life of your lamp.
Integrated speaker
The built-in speaker offers excellent audio support. Easy to set up
without the need for costly external speakers.
Full 3D
Using the inherent speed of DLP® technology, PJ638S can output
video and images at an astonishing rate of 144Hz, allowing you to
show full screen, full color, stereoscopic 3D. PJ638S supports multiple
3D formats from various devices such as PC, Blu-ray 3D™, Sony® PS3,
Microsoft® Xbox 360 or 3D TV broadcast system.
Wireless Presenting (optional extra)
Making presentations couldn't be easier using the optional wireless
features of the WPS Wireless Adapter (sold separately) - you can
connect and display presentations wirelessly from a laptop, PC or
mobile device.
Display Technology
TI DLP® technology 0.55” SVGA DMD Chip
Native Resolution
800 x 600 (SVGA) support up to UXGA (1600 x 1200) 60Hz
Brightness / Contrast Ratio
3800 ANSI Lumens / 30,000 :1
Display Colors
1073.4 million colors (10bit)
Projection Lens
F=2.41~2.53 ; f = 21.85~23.4 mm, 1.1x manual zoom / focus lens.
Image Size
25 ~ 250 inch
Projection Distance
1.0 ~10m
Throw Ratio (Projection distance/width)
1.94 ~ 2.15
Digital Keystone Correction
±40° Vertical
Aspect Ratio
4:3 Native, 16:9 Compatible
Scan Rate
Horizontal : 15.375 ~ 91.146 KHz; Vertical :24 ~ 85 Hz (120Hz for 3D feature)
Computer Compatibility
UXGA, SXGA+,SXGA ,SVGA,VGA Compression, VESA standards, PC & Macintosh compatible
Video Compatibility
HDTV (720p, 1080i/p), SDTV (480i/p, 576i/p), Full NTSC, PALPAL-M, PAL-N, SECAM
Input / Output Connections
HDMI V1.4a x 1 , VGA in x 1 , VGA out x 1 ,Composite video x 1, Audio in x 1,
Audio out x 1, USB Type A (for service/mouse/power) x 1, RS232 x 1
85 %
29 dB
Lamp Life
5000 / 6000 / 7000 / 8000 / 10000 Hrs (Bright / Eco / Dynamic / Eco+ / Education Cycle)
Power Supply
Universal AC 100 ~ 240V± 10%,50/60Hz
Dimensions (WxDxH) / Weight
298 x 230 x 97 mm / 2.25 kg
*Optoma reserves the right to change this brochure without prior notice, please refer to for any change
*Optoma guarantees that in normal use,Optoma DLP® color quality will be indistinguishable from when new. Please note that worn lamps will give slight variance. Exclusions: (1) Guarantee is voided if the projector
is subject to damage through mis-use. (2) Guarantee may be void in industrial or commercial entertainment environments where dust or smoke is particularly excessive (3) Guarantee will not apply if lamp brightness
is below 50% due to wear or if the projector is not working due to other fault. Typical lamp life achieved through testing. Will vary according to operational use and environment conditions. Optoma guarantees that
in normal use, the DLP® imager guarantee will retain quality for at least 5 years providing consistent pixel performance. Exclusions: (1) Guarantee is voided if the projector is subject to damage through mis-use. (2)
Guarantee may be void in industrial or commercial entertainment environments where dust or smoke is particularly excessive. Copyright © 2016, Optoma Corporation. All other product names and company names
used herein are for identifications purposes only and may be trademarks or registered trademarks of their respective owners. Errors and omissions excepted, all specifications are subject to change without notice.
DLP®, BrilliantColor™ and the DLP logo are registered trademarks of Texas Instruments.