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BenQ MW821ST 3000 Lumen WXGA Short Throw SmartEco 3D Interactive DLP Projector



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Product ID :
10 - 15 Working Days

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Product Description

Saving More on Power Consumption with BenQ’s SmartEco™ Technology

Offering lower TCO and optimized projection through dynamic power saving, uncompromised brightness, exquisite picture quality and optimized lamp life –SmartEcoTechnology has perfected what a DLP projector can do. With this innovation, schools and corporates are able to save up to 70% of lamp power consumption and lower maintenance costs through dynamic power saving features while bringing an ultra-vivid viewing experience into every presentation.

Smart Eco Mode

The SmartEco Mode, which cleverly adjusts the lamp power to maximize power saving by delivering the best contrast and brightness performance using only as much light as needed.


Normal Mode
296W Projector Power Consumption by Average


SmartEco Mode
Enhanced Details in Darkened Scenes
163W Projector Power Consumption by Average

(Source: Futuresource Consulting Ltd, 2010)
Eco Blank Mode

The Eco Blank mode allows teachers to blank the projection screen whenever they need to direct their students’ focus back on them – or simply when the projector is not in use. When activated, this special feature dims the lamp power automatically, lowering the total power consumption by 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

The automatic switch to Eco Blank Mode after the projector is turned on for over three minutes without a display source, eliminating unnecessary energy waste and prolonging the life of the projector lamp.


Source Detected
100% Lamp Power


No Source Detected
30% Lamp Power

Long Lamp Life at up to 6500 hours

The MW821ST offers optimized lamp life of up to 6500 hours* - twice the lamp life expectancy of the average lamp - reducing lamp changes and keeping maintenance to a minimum.

*Lamp life results will vary depending on environmental conditions and usage.

Ultra-High Contrast Ratio

An ultra-high contrast ratio projects sharp images, even for high brightness projectors. Get better contrast and blacker blacks with a 13000:1 contrast ratio.

0.5W in Standby Mode

When inactive, the MW821ST complies with 2013 EU standards by keeping power consumption to a minimum using less than 0.5 W on standby, extending lamp life and reducing energy costs.

Audio Pass Through

Audio Pass Through allows users to engage the projector's speakers in standby mode - without wasting energy and preserving lamp life.

PointDraw 3.0 Pen (Optional)

The PointDraw 3.0 pen has been equipped with an Accelerometer for an improved writing experience. Patented coaxial design gives the most intuitive writing experience with QDraw3 Interactive Software. Pens are rechargeable via standard micro USB cable or by plugging into a specially-designed BenQ Charging cradle.

QDraw3 Software (Bundled with PointDraw 3.0 Pen)

QDraw3 software helps teachers present and annotate teaching materials of all formats, from PowerPoint to PDF to webpages. The software works across all platforms and all devices, including Windows, Mac and Linux, for maximum flexibility. Download the free app from App Store and Play Store to connect your mobile device to the PC/Mac installed with QDraw3 for added presentation and annotation capabilities.

3D Capability Improvement

Research has shown a 46% increase in student engagement and a 34% increase in test scores with the use of DLP 3D projection. The MW821ST supports HDMI, designed to maximize your audiovisual enjoyment* with the capacity to pass two simultaneous 1080p signals with one connection.

* The 3D formats supported are 3D field-sequentials, 3D frame-packing, 3D top-and-bottom and 3D side-by-side.

Various 3D format supported

Hassle-free projector maintenanceLAN Control with Crestron and PJ-Link

LAN Control is designed to help IT managers perform day-to-day projector maintenance and repair tasks efficiently and effectively – offering them full access and control over every projector directly from their workstations. The MW821ST offers seamless support for the Crestron and PJ-Link LAN Control system.

LAN Display

LAN Display offers a cost-effective solution for projector implementation management using a single LAN cable to control and display. This feature also offers simultaneous 4-1 or partial projection display option for better content management for discussions, presentations, training and classroom teaching.

Upper lamp door for easy lamp access

The upper lamp door is a maintenance feature that allows IT managers to replace projector lamps safely and quickly, even if the projector is mounted upside down on the ceiling. Should the lamp go out during class, it can be replaced without delaying the lesson.

Model MW821ST
Projection System DLP
Native Resolution WXGA (1280x800)
Brightness* (ANSI Lumens) 3000
Contrast Ratio 13000:1
Display Color 1.07 Billion Colors
Lens F=2.6, f=6.9mm
Aspect Ratio Native 16:10 (5 aspect ratio selectable)
Throw Ratio 0.49 (87"@0.91m)
Image Size (Diagonal) 50-300"
Zoom Ratio Fixed
Lamp Type 210W
Lamp Mode (Normal/Economic/SmartEco/LampSave/LumenCare)* 4000/5000/6500/NA/NA hours
Keystone Adjustment 1D, Vertical ± 30 degrees
Projection Offset 110% ± 5%
Resolution Support VGA(640 x 480) to UXGA(1600 x 1200)
Horizontal Frequency 31-102KHz
Vertical Scan Rate 23-120Hz
Interface Computer in (D-sub 15pin) x 2 (Share with component)
Monitor out (D-sub 15pin) x 1
Composite Video in (RCA) x 1
S-Video in (Mini DIN 4pin) x 1
Audio in (Mini Jack) x 2 
Audio L/R in (RCA) x 1
Audio out (Mini Jack) x 1
Mic in x 1
Speaker 10W x 1
LAN (RJ45) x 1(LAN control & LAN display)
USB (Type B mini) x1 (Download & page/down)
RS232 (DB-9pin) x 1
IR Receiver x2 (Front+Top)
Dimensions (W x H x D mm) 311.8 x 113.0 x 244.1
HDTV Compatibility 480i, 480p, 576i, 576p, 720p, 1080i, 1080p
Video Compatibility NTSC, PAL, SECAM
Weight 2.9 kg (6.39 lbs)
Audible Noise (Normal/Economic Mode) 33/26 dBA
Power Supply AC 100 to 240 V, 50/60 Hz
Power Consumption 300W, Standby<1W
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 Dynamic/Presentation/sRGB/Cinema/3D/User 1/User 2




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