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BenQ MX631ST Projector

Manufactured By: BenQModel: 9H.JE177.13E
  • XGA Resolution
  • 3200 Lumens
  • 3D Support
  • HDMI
  • 2.6 kg
3200 Lumens, XGA Resolution, DLP Technology, Meeting Room Projector, 2.6kg
BenQ MX631ST Projector

Big Pictures in Small Spaces

Image result for mx631st

The BenQ MX631ST offers the highest display flexibility - giving you a 55" big picture in a mere projection distance of 1 meter! Featuring 3.200 ANSI Lumens high brightness and 13000:1 high contrast ratio and DLP® Link™ 3D technology, this XGA projector is the perfect match for small-sized business and education settings!

The Good Things that Come in Short Distances

Zero Space Constraints

Just imagine the freedom of having the same projection quality with half the required distance! You'll have better flexibility in choosing your projection locations! That's the magic of short-throw!


Zero Eye-Blinding Lights

The short-throw projection distance keeps the projector light from shinning directly into your eyes, allowing you to keep your focus on your audience.


Zero Disruptions

Say goodbye to the annoying shadows. With a projection distance this close, you can move freely without worrying about obstructions between the projector and the screen!


Brilliant Image Performance

High Contrast

A high contrast ratio ensures that every text, image, graph, chart and video is projected with optimal clarity and enhanced sharpness, especially for numerical data. This is for presenters to view their presentation files clearly and the audience to stay focused on the contents projected.


High Brightness

A high brightness business projector ensures every presentation is consistently projected with bright hues and high clarity – even in a relatively bright setting or with the lights kept on for note taking.

Rich Connectivity


Play from many devices with HDMI x 2 and multiple connectivity options.

Users can charge mobile phones via USB.


Built-in speakers

Built-in speakers are Plug-and-Play ready, only the power cord and video source connection are needed to prepare the viewing experience.



Projection System


Native Resolution

XGA (1024 x 768)


3,200 ANSI Lumens

Contrast Ratio


Display Color

1.07 Billion Colors


F=2.6-2.78, f=10.2-12.24mm

Aspect Ratio

Native 4:3 (5 aspect ratio selectable)

Throw Ratio

0.9-1.08 (78" @ 1.44m)

Image Size (Diagonal)


Keystone Adjustment

1D, Auto Vertical +/- 30 degrees

Projection Offset

110% ±5%

Resolution Support

VGA (640 x 480) to WUXGA_RB (1920 x 1200) * RB = Reduced Blanking

Horizontal Frequency


Vertical Scan Rate



Computer In (D-sub 15pin) x 1 (Share with component)
Monitor Out (D-sub 15pin) x 1
Composite Video In (RCA) x 1
S-Video In (Mini DIN 4pin) x 1
HDMI (1.4a) x 2 (One share with MHL2.0)
Audio In (Mini Jack) x 1
Audio L/R In (RCA) x 1
Audio Out (Mini Jack) x 1
Speaker 10W x 1
USB (Type mini B) x 1 (Download & Page Up/ Down)
USB (Type A) x1 (1.5A Power Supply)
RS232 (DB-9pin) x 1
IR Receiver x 2 (Front + Top)

Dimensions(W x H x D)

287.3 x 114.4 x 232.6mm

HDTV Compatibility

480i, 480p, 576i, 576p, 720p, 1080i, 1080p

Video Compatibility




Audible Noise

33/ 28 dBA (Normal/ Economic mode)

Power Supply

AC100 to 240V, 50Hz to 60 Hz

Power Consumption

Normal 305W, Eco 220W, Standby < 0.5W

On-Screen Display Languages

Arabic/ Bulgarian/ Croatian/ Czech/ Danish/ Dutch/ English/ Finnish/ French/ German/ Greek/ Hindi/ Hungarian/ Italian/ Indonesian/ Japanese/ Korean/ Norwegian/ Polish/ Portuguese/ Romanian/ Russian/ Simplified Chinese/ Spanish/ Swedish/ Turkish/ Thai/ Traditional Chinese (28 Languages)

Picture Modes

** Bright/ Presentation/ sRGB/ Cinema /(3D) / User 1/ User 2

Accessories (Standard)

Remote Control w/ Battery 
Power Cord (by region)
User Manual CD
Quick Start Guide
Warranty Card (by region)
VGA (D-sub 15pin) Cable

Accessories (Optional)

Presentation Plus: P/N: 65.J9306.002
Spare Lamp Kit: P/N: 5J.J9V05.001
Ceilling Mount: P/N: 5J.J2K01.001
3D Glasses: P/N: 5J.J9H25.001
Carry bag

3D Support and Compatibility

PC: 120Hz Frame Sequential 3D for resolutions up to WXGA,
PC: 60Hz Top-bottom 3D for resolutions up to SXGA+
Video: 60Hz Frame Sequential 3D for resolutions up to 480i

Brightness3200 lm
Native ResolutionXGA
Display TypeDLP
Short ThrowYES
Built in Audio10W
Aspect Ratio4:3
Throw Ratio0.9 - 1.08
Keystone Correction1D, Auto Vertical +/- 30 degrees
InputsVGA, HDMI, USB, Audio In/Out, RS232, IR Reciever
Projector Dimensions287.3 x 114.4x 232.6 mm
Projector Weight2.6kg
Power Consumption305W (Normal)
Audible Noise33/28 dBA (normal/eco)
Items IncludedRemote Control, Power Cord, User Manual, Quick Start Guide, Warranty Card, VGA Cable, Anti-Dust Filter, Lens Cover
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