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Optoma S331

alaTest has collected and analyzed 27 reviews of Optoma S331. The average rating for this product is 4.4/5, compared to an average rating of 4.2/5 for other Projectors for all reviews. Reviewers are impressed by the noise and size. The usability and price also get good reviews.

image quality, price, usability, size, noise

We analyzed user and expert ratings, product age and more factors. Compared to other Projectors the Optoma S331 is awarded an overall alaScore™ of 89/100 = Very good quality.

Review analysis

(Based on 27 reviews)

User Reviews  

Showing 12 review(s)

Expert Reviews User Reviews


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Showing 1 - 10 of 12 Show Reviews: in English | in other languages (15)

Consumer review (

Home entertainment on a budget


great wee projector only down side about it was the sound but it is what is. a simple fix was to invest in a good sound bar so now the sound and picture are fantastic. Also it comes with an american 2 pin plug it never stated that in the description

May, 2018

Consumer review (

Bargin for the price


I love this home projector. I'm projecting from about 5m and it's a bit tough to get a sharp picture, but value for money.

Apr, 2018

Consumer review (

European plug fitted


Got this yesterday so far a great projector, clear picture, speaker not the best but can attached external speakers. MINE CAME WITH A EUROPEAN PLUG AND SO HAD TO GO OUT TO BUY AN ADAPTER CANT SEE THIS IN THE DESCRIPTION WOULD OF BEEN HANDY TO KNOW

Mar, 2018

Consumer review (

Optoma projector


Great bit of kit for the price, connects to all my games consoles via the hdmi so I have this through an amp and home cinema. Just the ticket the 3D is good, need some cheap 3D DLP glasses but easy to find. Definitely recommend as its cheaper than a...

Mar, 2018

Consumer review (

Crystal clear


Bought this for my business and it's amazing clear picture amazing colours just the job

Feb, 2018

Consumer review (

Amazing value for money


Great picture colour but sometimes you can see the pixels. Easily the best projecter for the price though

Dec, 2017

Consumer review (

Totaly happy. Littlewoods you always pull though


Great proudut well happy would recommend..littlewoods too family and frends

Oct, 2017

Consumer review (

Fantastic 3D projector at a great price


Bought this to have "movie nights" at home. The price meant it was worth a punt and if the quality wasn't quite there it wouldn't break the bank too much. I needn't have worried, quality is great easy to set up and use. Volume on 1 through headphone is...

Sep, 2017

Consumer review (

Not the best quality


Had a bad quality not worth the price. it is not good on picture.

Aug, 2017

Consumer review (

Awesome projector


Bought this projector to watch 3d movies and was amazed at the quality. Crisp picture even on a cheap standard screen. Works flawlessly with Chromecast and passes through Dolby surround to my amp no problem via the jack socket. Works well with cheap...

May, 2017

Product Specifications


RoHS compliance:Y


Cable lock slot:Y
Cable lock slot type:Kensington
Ceiling mountable:Y
Ceiling mounting supported:Y
Colour of product:Black
Product Type:Desktop projector


Built-in Display:N


Bulb power:195
Service life of lamp:8000

Lens System

Aperture range (F-F):2.4 - 2.53
Focal length range (f-f):21.9 - 24
Optical Zoom:1.1
Throw ratio:1.94 - 2.16:1


Built-in speaker(s):Y
Number of built-in speakers:1
RMS rated power:2


Ethernet LAN:N

Operational conditions

Operating temperature (T-T):5 - 40

Packaging Content

Batteries included:Y
Handheld remote control:Y


Horizontal scan range:15.3 - 91.1
Noise level (economic mode):29
On Screen Display (OSD):Y
Vertical scan range:24 - 85

Ports & interfaces

AC (power) in:Y
Audio (L,R) out:1
DVI port:N
HDMI ports quantity:2
HDMI Version:1.4a
PC Audio out:N
USB 2.0 ports quantity:1


AC input frequency:50 - 60
AC input voltage:100 - 240
Power consumption (economy mode):187
Power Consumption (Standby):0.5
Power consumption (typical):225
Power Source:AC


Contrast ratio (typical):22000:1
Keystone correction, vertical:-40 - 40
Matrix size:1.4
Matrix type:DMD
Native Aspect Ratio:4:3
Number of Colours:1.073 billion colours
Projection distance:1 - 12
Projection Technology:DLP
Projector brightness:3200
Projector native resolution:SVGA (800x600)
Screen size compatibility:705.6 - 7731.8
Supported aspect ratios:4:3, 16:9
Zoom capability:Manual


Full HD:N

Weight & Dimensions

Height :96.5