BenQ MX631ST 3200-Lumen XGA Short-Throw DLP Projector

Model Number: MX631ST
Web Code: 14675271

BenQ MX631ST 3200-Lumen XGA Short-Throw DLP Projector


Brightness of 3200 LumensXGA (1024 x 768) Native ResolutionShort 0.9 - 1.08:1 Throw RatioVGA, S-Video, Composite, & 2x HDMI-InVGA Output for Loop-ThroughAnalog Audio Input and Output10W SpeakerUSB and RS-232 ControllableVGA Cable and IR Remote Included


Brightness of 3200 LumensXGA (1024 x 768) Native ResolutionShort 0.9 - 1.08:1 Throw RatioVGA, S-Video, Composite, & 2x HDMI-InVGA Output for Loop-ThroughAnalog Audio Input and Output10W SpeakerUSB and RS-232 ControllableVGA Cable and IR Remote Included

Benefits of Short Distance Projection 

       Minimum Space Constraints

Imagine the freedom of having the same large size image from just half the traditionally required throw distance! Having increased placement flexibility and more efficient use of available space. Thats 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

With a projection distance this close, you will be able to move freely, without casting distracting shadows on the screen! Brilliant Image PerformanceHigh Contrast

High contrast ratio adds depth to an image and is essential to provide crisp image detail. The high contrast ratio in the MX631ST helps produce images with stunning clarity and fine detail for sharper, easier to read text, graphics and video for more memorable presentations.     

Low Contrast   

High Contrast Auto Keystone Correction 

For those occasions when the projector needs to be set at an angle from the screen, the MX631ST automatically corrects the vertical trapezoidal effect on the image to deliver a perfectly squared picture each and every time.   

Rich Connectivity2 HDMI Ports

Compatible with today’s digital sources, the MX631ST provides Dual HDMI ports to satisfy your digital connectivity needs as well as VGA port for traditional analog sources.   MHL Connectivity 

MHL connectivity allows you to share content directly from mobile devices such as phones or tablets on the big screen. Requiring just a simple MHL cable or dongle connection from your mobile device to the projector.   

1.5A USB Type-A Power Supply

Powering your peripheral devices such as Chromecast or Roku stick is easier than ever with the built-in power enabled USB port, providing up to 1.5 Amps of power to eliminate the need for external power connections.      

Built-in speakers

Powerful Built-in 10W speaker provides ample amplification to ensure your message is clearly heard.   

SmartEco™ Lamp Saving Technology

Incorporating BenQ’s renowned SmartEco lamp saving Technology, the MX631ST not only offers greater energy savings, but continues to deliver amazing picture quality through this innovative technology. SmartEco mode is designed to use only the exact amount of lamp power a projector needs to deliver the best contrast and brightness performance. This feature enables the MX631ST to deliver uncompromised projection quality with the added benefit of reduced the total cost of ownership by extending the lamp life and lowering power consumption.     

Normal Mode

296W Projector Power


by Average   

SmartEco Mode

Enhanced Details in Darkened Scenes

163W Projector Power Consumption by Average   

(Source: 2010 Philips white paper)    SmartEco Lamp

Within the SmartEco Lamp Saving Technology umbrella, Lamp Care mode takes your dollars further – much further by offering an astonishing lamp life of up to 10,000 hours!     

Eco Blank Mode

The Eco Blank feature allows users to blank or mute the projected image on the screen, affording privacy to search for files or documents while the desktop is not projected to the entire audience. When activated, Eco Blank automatically dims lamp power, therefore lowering total power consumption by up to 70%.  

 Full Power On 100% Lamp Power Attention on the Projection Screen   

 Eco Blank Mode On 30% Lamp Power at the Lowest Attention on the Class Instructor    No Source Detected Mode

There will be times when a projector is turned on without a display source, such as a notebook or classroom PC connected. To avoid having a projector running at full lamp power, BenQ created the No Source Detected feature, which lowers the projector’s lamp brightness to 30 % after the projector has remained unconnected to a display source for more than three minutes.  

 Source Detected 100% Lamp Power   

 No Source Detected 30% Lamp Power   0.5W in Standby Mode

When inactive, the MX631ST keeps power consumption down to a minimum of 0.5W power, further lowering your total cost of ownership.    Blu-ray® Full HD 3D Supported

BenQ MX631ST is built with latest DLPR technology to support Full 3D functionality, allowing users to create immersive viewing experiences. Setup is easy. All that is required are 3D glasses and 3D content from your 3D Blu-ray player.    Audio Pass Through

With the built-in speaker, the MX631ST can be used as an audio system when its on the standby mode. This saves you the trouble as well as the extra budget for getting a separate audio system. 

  BenQ DLP® Projectors︱ Long-Lasting Image Perfection with DLP TechnologyTimeless Image Quality:

Colorific™ Technology Delivers Lifelike Color, Year After Year

BenQ uses Colorific technology to optimize images for specific color balance effects for diverse applications such as presentations, movies and spreadsheets and photographs. Every BenQ Colorific projector generates more than one billion colors by combining up to seven different colors to create vibrant, true-to-life images. You will also experience dramatic contrasts for remarkable image clarity, higher visual impact and greater legibility. BenQs Colorific projectors are dependable year after year. You can rely on the colors to remain the same from day one to a decade later--without the risk of fading, ghosted images, or yellowing.   Accurate

Over 1 billion colors - compared to 16.7 million as on many LCD projectors  Crisp

Bright, high contrast picture - 3x more contrast than similar top-selling LCD models  Long-Lasting

Consistent image quality - image is the same now and years from now    

Non-DLP Projector    

BenQ DLP Projector    

 (All photos portraying projection scenarios are simulated.)     

DLP Technology also includes a filter-free engine design for carefree confidence in long-lasting image quality and reduced TCO. BenQ’s SmartEco™ Technology further boosts contrast performance and image quality endurance while saving up to 70% on lamp power consumption.    

ecoFACTS Label

ecoFACTS can tell you how eco-friendly BenQ products are!

Development of eco-friendly products, BenQ doesnt just want to comply with green regulations passively, but also to actively develop eco-friendly products!

ecoFACTS declares BenQs greatest efforts on the replacement of hazardous substances, material selection, packaging design, energy-saving design and other aspects of the products.Display a large image close to the screen with the BenQ MX631ST 3200-Lumen XGA Short-Throw DLP Projector. It features a throw ratio of 0.9 - 1.08:1 to achieve this, increasing placement flexibility while reducing shadows on the screen. Its 13,000:1 contrast ratio is designed to enhance detail for sharper text, graphics, and video. The projectors connectivity options include VGA, S-video, composite, and HDMI video inputs, plus analog audio inputs, and VGA and analog audio outputs. 

The MX631ST offers a built-in 10W speaker that will function even in standby mode, allowing the projector to also work as a speaker system. It is USB and RS-232 controllable, and includes an IR remote control for versatile manipulation options. In addition to the remote control, it

Unit Features


There is no manufacturer content to show for this product. Explore the Details & Specs and Customer Reviews sections to learn more.

See helpful questions and answers from shoppers like you.

Shipping Cost

Seller offers free standard shipping on all orders.

**In the event that product is unavailable, you will be refunded within 48 business hours.

Returns can be made within 30 days of receiving your order.

BuyDirect & Save-Canada Restocking Fees / Return Eligibility
Category Return Period Un-opened Opened/Unused Opened/Used
All products 30 Days 0% 10% 20%

All returned products must include original packaging.

Return shipping costs will be paid by the seller for all cases where the product is defective, damaged or incorrect. For other cases (e.g. you changed your mind), you will be responsible for this cost.

To request a return

Please contact the seller directly from your Order details page, and provide the following information:

  • Web ID (8-digit number) & product description
  • Number of items to be returned
  • Date you received your product
  • Condition of product
  • Condition of packaging
  • Reason for return

All refunds will be processed within 4 Business Days.