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Benq MX842
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Benq MX842 Projector

13000:1 XGA (1024x768) 3,000 ANSI Lumens Aug 2014
Contrast Ratio Native Projector Resolution 3D Image Projection Projector Brightness Release Date
Designed for disruption-free learning in small-sized classrooms, the MX842UST offers a big screen in short distance with a 0.47 ultra short-throw ratio. Together with 13000:1 ultra-sharp contrast... More
$80.74 Electricity cost over 5 years. Calculate
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BenQ America
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9 Reasons For

Benq Data Projectors Have Good Reviews

We checked 2,080 expert and owner reviews for Benq data projectors and found that on average Benq has good reviews compared to other brands. We also found that Benq has good reviews specifically for its 13000:1 contrast ratio projectors.

Supports 3D Image Projection

The Benq MX842 supports 3D image projection, as do most of the other projectors of a similar type and age to the MX842.

We compared this data projector to all the other projectors which support 3D image projection and we think cheaper projectors such as the Benq MX806 is also worth considering.

We compared this multimedia projector to all the other projectors with a 3D image projection and we think the MW843 ($1,198.99), or the 720P ($749.00) both from Benq is also worth considering.

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Has a Built-In Speaker

The Benq MX842 has a built-in speaker, as do most of the other data projectors that were released around the same time as the MX842.

There are a number of other projectors with a built-in speaker currently available that you might also want to look at including cheaper data projectors such as the Optoma EW556, or the Acer P1276.

It is worth considering other data projectors which also have a built-in speaker including the Benq MW843 ($1,198.99).

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1600 X 1200 (UXGA) Graphics Resolution

This projector supports a graphics resolution of 1600 x 1200 (UXGA)|640 x 480 (VGA), which is the most commonly supported graphics resolution on 13000:1 contrast ratio projectors that came out around the same time as it.

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Very Big Offset

The smallest offset of data projectors of this spec and age is 100%, the biggest is 160%, and the average offset is 120%. With an offset of 153 percent, the Benq MX842 has one of the biggest offsets amongst 13000:1 contrast ratio projectors of this age.

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Quite High RMS Rated Power

Across all the data projectors of a comparable type and age to the MX842 the RMS rated power range from 1W to 20W. At 20 Watts, the Benq MX842 has a fairly high RMS rated power compared to most of the other data projectors that were released around the same time as the MX842.

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Two Built-In Speakers

Most of the other 13000:1 contrast ratio projectors that are a comparable age to the MX842 only have one built-in speaker, however the Benq MX842 has two built-in speakers.

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Fairly Long Service Life of Lamp in Economic Mode

Across all the projectors of a similar type and age to the MX842 the service life of lamp in economic mode range from 3,000h to 10,000h, and the average service life of lamp in economic mode is 6,300h. With a service life of lamp in economic mode of 7,000 hours, the Benq MX842 has a fairly long service life of lamp in economic mode compared to most of the other data projectors of this age and spec.

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Quite Big Lamp Power

The Benq MX842 has a quite big lamp power (240 Watts) compared to most of the other multimedia projectors of a comparable age and type to the MX842. Across all the 13000:1 contrast ratio projectors that have been available for around the same time as the MX842 the lamp power range from 190W to 310W, and the average lamp power is 210W.

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6 Reasons Against

Does Not Support Full HD Projection

Like most of the other projectors of this type and age, the Benq MX842 does not support Full HD projection.

It is worth also looking at alternative data projectors which also support Full HD projection including the MX806, or the MS512 both from Benq which is also cheaper.

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Does Not Support WiFi Connectivity

Most projectors of this age and spec do not support WiFi connectivity. The Benq MX842 is no exception to this as it too does not support WiFi connectivity.

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Only Fixed Zoom Ratio

This multimedia projector supports a Fixed zoom ratio, which is typical of many multimedia projectors of a comparable age and type to it.

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Very Short Lamp Service Life

With a lamp service life of only 3,500 hours, the Benq MX842 has a quite short lamp service life compared to most of the other data projectors of a similar age and spec to the MX842. The average lamp service life of 13000:1 contrast ratio projectors that are a similar age to the MX842 is 4,600h, and the lamp service lives range from 2,500h to 20,000h.

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Very Wide

The widths of 13000:1 contrast ratio projectors that have been on the market for a comparable time to the MX842 range from 260mm to 340mm. The Benq MX842 is one of the wider 13000:1 contrast ratio projectors that are a similar age to the MX842 (339 millimeters) amongst 13000:1 contrast ratio projectors of this age.

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Very Heavy

When compared to other 13000:1 contrast ratio projectors that were launched more than two years ago, the Benq MX842's weight of 5.4 kilograms is one of the heaviest. The average weight of similar spec projectors that have been available for around the same time as the MX842 is 2.8kg, and the weights range from 1.3kg to 5.4kg.

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3 Other reasons to consider the Benq MX842

Released Over Two Years Ago

It was over two years ago when Benq released the MX842.

Average Projector Brightness

With a projector brightness of 3,000 ANSI lumens, the Benq MX842 has a fairly standard projector brightness compared to most of the other data projectors of a similar type and age to the MX842.

Alternative 3,000 ANSI lumens brightness multimedia projectors currently available that you might want to look at include cheaper data projectors such as the Benq MS512.

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XGA (1024x768) Native Projector Resolution

This data projector has a native projector resolution of XGA (1024x768), which is typical of many 13000:1 contrast ratio projectors that were launched more than two years ago.

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Specification

Projector
Contrast Ratio
Native Projector Resolution
Projector Brightness
Vertical Keystone Correction
Number of Colours
Zoom Ratio
Supported Aspect Ratio
Compatible Screen Size
Native Aspect Ratio
Projection Technology
Supported Number of Colours Display
Lamps
Lamp
Service Life of Lamp in Economic Mode
Lamp Power
Lamp Service Life
Lens System
Throw Ratio
Offset
Video
Graphics Resolution
Full HD Projection
Video Mode
Analog Signal Format System
Ports & Interfaces
RS-232 Port
DVI Port
S-Video Input
Serial Interface Type
CardBus PCMCIA Slot Type
DC-In Jack
Headphone Output
Audio in Port
Composite Video in Port
USB Connector Type
USB 2.0 Port
Ethernet LAN (RJ-45) Port
HDMI Port
VGA (D-Sub) Port
Networking
Storage
Optical Disc Player
Integrated Card Reader
Performance
Horizontal Scan Range
Vertical Scan Range
On Screen Display Language
Preset Mode
Multimedia
RMS Rated Power
Built-In Speaker
Design
Form Factor
Colour
Product Type
Power
Power Source
Typical Power Consumption
Input Frequency
Input Voltage
AC Adapter Frequency
AC Adapter Input Voltage
Weight & Dimensions
Weight
Height
Depth
Width
Packaging Content
Remote Control Type
Cable Included
Other Features
F-Number / Relative Aperture

Expert Reviews

19 March 2015

The BenQ MX842UST is a wall-mounted ultra-short throw DLP projector. It weighs 12 pounds and stands 9.3 inches tall. By its design, the only way to use the BenQ MX842UST is to mount it on the wall... Read more…

Running Cost

Hours of Use Per Day: hours
Show running costs over: years
Electricity cost when switched on $82.37
Electricity cost when on standby
@ $0.108264468 per kwh - Edit electricity price and usage
kwh per hour
kwh per hour left on standby
Electricity price $per kilowatt hour
Annual electricity price inflation %
Water cost when switched on
@ $0.00154539824 per litre - Edit water usage and price
litres per hour
Water price $per litre
Annual water price inflation %
Submit Energy Consumption Figures
Total running cost over 5 years $82.37
Running costs for this projector have been estimated based on other similar projectors. If you know how much electricity and water the Benq MX842uses then please let us know by entering those figures in the boxes above.
0.52T
Running this projector over 5 years will generate 0.52 tonnes of carbon dioxide (CO2).
14
To offset that much CO2 you would need to plant 14 tree seedlings and grow them for 10 years.

+- Manufacturer's Description

Product Identifiers

Manufacturer Part Numbers acer mx842, benq mx842, acer mx842u, benq mx842u, benq p202594, acer mx842us, benq mx842us, benq mx842ust, benq p202594p, special mx842, acer mx842ust, benq 9hjca7713, special mx842u, benq 9hjca7713e, special mx842us, special mx842ust, special 9hjca7713, special 9hjca7713e
Barcodes 04718755053160, 05054484884910, 05054533884915, 05054629487846

See How Other Projectors Compare to the Benq MX842

Benq MW526 vs Benq MX842

Benq MW526 vs Benq MX842
Benq MW526 Benq MX842
$ 402.74
Two Times Lighter
Significantly Shorter
WXGA (1280x800) Resolution
Higher Resolution
One Less Built-In Speaker
9x Lower RMS Rated Power

Sony VPL-DX147 vs Benq MX842

Sony VPL-DX147 vs Benq MX842
Sony VPL-DX147 Benq MX842
$ 779.95
Two Times Lighter
Significantly Shorter
One More USB 2.0 Port
Cheaper to Run by $24.98
One Less Built-In Speaker
19x Lower RMS Rated Power

Benq MX723 vs Benq MX842

Benq MX723 vs Benq MX842
Benq MX723 Benq MX842
$ 589.99
Significantly Lighter
100.2mm Shorter
Two USB 2.0 Ports
39% Shallower
Only One Built-In Speaker
Lower RMS Rated Power
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