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MW621ST* Refurbished WXGA 3000 ANSI Lumens w/ HDMI & Speaker Short Throw

SKU-MW621ST-002 Refurbished

Model Highlights

Get a Big Picture in Small Spaces

The BenQ MW621ST offers incredible display flexibility - giving you a 55" big picture in a mere projection distance of 1 meter! Featuring 3000 ANSI lumen high brightness, 13000:1 high contrast ratio and DLP® Link™ 3D technology, this WXGA projector is the perfect match for small-sized business and education settings!

Out Of Stock

Reg Price $629.00


  • Overview
  • Specs
  • Warranty
  • Downloads
  • Accessories
  • Reviews
Power Saving , Eco FriendlyWorld-Leading SmartEco Technology for a Greener Environment

As the first DLP brand to incorporate Philips' ImageCare technology into its projector lamp system, BenQ has taken a further leap, developing its own SmartEco Technology to perfect what DLP can do for energy saving in the 21st century classroom. Built with this brand new invention, the MW621ST brings together uncompromised brightness, exquisite picture quality and optimized lamp life through innovative features.

SmartEco 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
by Average


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

(Source: 2010 Philips white paper)
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

0.5W in Standby Mode

When inactive, the MW621ST keeps power consumption to a minimum with 0.5W standby power, achieving what was once a challenge for ealier projector models. This technological advancement in energy saving certainly helps extend the projector lamp life and lower energy costs.

Audio Pass Through

With the built-in speaker, the MW621ST can be used as an audio system when it's on the standby mode. This saves you the trouble as well as the extra budget for getting a separate audio system.


Blu-ray Full HD 3D Supported

BenQ MW621ST is built with latest DLP® technology to support 3D functionality, allowing schools to bring an immersive learning experience to their students with a simple preparation of 3D glasses and 3D content from your blu-ray player.

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!

Quick Installation

By pressing Quick Intall key on the remote control, installer can quickly acces to installation related functions in the OSD menu.

Hassle-Free Projector MaintenanceUpper Lamp Door for Easy Lamp Access

The upper lamp door is designed for it managers to replace the projector lamp safely and quickly. should the projector lamp go out in the middle of the class, it can be replaced without delaying the class.


Thoughtful DesignAuto Power Off

Automatic power off after the projector is turned on for over thirty minutes without a display source, eliminating unnecessary energy waste and prolonging the life of the projector lamp.

Auto Blank for Safe Use

Auto Blank is an eye protection feature designed to ensure safe use. It enables the MW621ST to detect movements within 20 centimeters* in front of the lens and cut off the projection light automatically.

*Effective distance at arount 20cm; may vary by ambient light levels and the color of reflected objects

Wireless Display with Laptop, Tablets and Smart Phones

Insert a WiFi dongle into the USB flash drive slot to display contents from your PC, MAC, iPhone and iPad to MW621ST through Wireless Display feature.

ecoFACTS Label

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

Development of eco-friendly products, BenQ doesn't just want to comply with green regulations passively, but also to actively develop eco-friendly products!

ecoFACTS declares BenQ's greatest efforts on the replacement of hazardous substances, material selection, packaging design, energy-saving design and other aspects of the products.



Projection System DLP
Native Resolution WXGA(1280 x 800)
Brightness* (ANSI Lumens) 3000AL
Contrast Ratio 13000:1
Display Color 1.07 Billion Colors
Lens F=2.6-2.78, f=10.2-12.24mm
Aspect Ratio Native 16:10 (5 aspect ratio selectable)
Throw Ratio 0.72~0.87 (64"±3% @ 1m)
Image Size (Diagonal) 30"~300"
Zoom Ratio 1.2:1
Lamp Type 190W
Keystone Adjustment 1D, Vertical ± 40 degrees
Projection Offset 105%±5%
Resolution Support VGA(640 x 480) to UXGA(1600 x 1200)
Horizontal Frequency 15~102KHz
Vertical Scan Rate 23~120Hz
Interface 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 x1 
Audio in (Mini Jack) x 1 
Audio out (Mini Jack) x 1 
Audio L/R in (RCA) x 1 
Speaker 10W x 1 
USB (Type A) x1 (USB Reader & Wireless Display) 
USB (Type Mini B) x 1 (Download & Page up/down/USB Display) 
RS232 (DB-9pin) x 1 
IR Receiver x2 (Front+Rear)
Dimensions (W x H x D mm) 287.3 x 114.4x 232.6 mm
HDTV Compatibility 480i, 480p, 576i, 576p, 720p, 1080i, 1080p
Video Compatibility NTSC, PAL, SECAM
Weight 2.6kg (5.06lbs)
Audible Noise (Normal/Economic Mode) 33/28 dBA (Normal/Economic mode)
Power Supply AC100 to 240 V, 50 to 60 Hz
Power Consumption 247W (typical), 206W (Eco) 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 Dynamic/Presentation/sRGB/Cinema/User 1/User 2
Accessories (Standard) Lens Cover 
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) Spare Lamp Kit
Ceilling Mount
3D Glasses
Carry bag


Subject to the terms and conditions set forth below, BenQ America Corp. (“BenQ”)
warrants the BenQ Digital Projector (“Product”) you have purchased from BenQ
authorized reseller in the United States on or after May 1, 2010 to be free from defects in
materials or workmanship under normal consumer use during the warranty period in the
continental United States, Hawaii, and Alaska. If the Product becomes defective during
the warranty period BenQ will, at its option, repair or replace the Product. BenQ may use
new or reconditioned components or parts to repair the Product, or replace the Product
with a new or reconditioned Product of the same or functionally equivalent model.
BenQ Projector Standard Limited Warranty: Subject to the exclusions set forth
 One (1) year from the purchase date by the original retail purchaser (the “Customer”)
(except for lamps as specified below and refurbished units which have a separate
warranty policy), parts and labor only (No advance replacement).
 Lamp Warranty: Lamp is guaranteed 1 year or 2000 hours from the purchase date
by the Customer, whichever comes first.
 Return Merchandise Authorization Shipping: The Customer will pay shipping
freight to BenQ or a BenQ Authorized Service Provider and BenQ will pay shipping
freight to the Customer during the warranty period.
 DOA (Dead On Arrival): Must be reported within thirty (30) days of purchase. An
RMA number must be issued in order to process the replacement. BenQ will replace
the DOA unit with a brand new replacement. BenQ will cover the freight charges
both ways.
 Shipping Damages: All shipping damages must be reported within seven (7)
business days upon receipt of the Product. BenQ is not responsible for the shipping
damages reported after such period.
 Repaired or Replaced Parts and Products: All repaired or replaced parts or
products shall be warranted only for the remainder of the original warranty period
specified above.
Obtaining Depot Warranty Service
If you purchased a BenQ product in the continental United States, Hawaii, and Alaska,
you are entitled to depot repair service during the warranty period subject to the
following terms and conditions: