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Sony KDL-40BX400

alaTest has collected and analyzed 129 reviews of Sony KDL-40BX400. The average rating for this product is 4.3/5, compared to an average rating of 4.2/5 for other TVs for all reviews. Comments about the sound and design are generally positive. The price and image quality are also mentioned favorably, whereas there are some mixed views about the size. Many are less positive about the remote control and reliability.

usability, image quality, price, design, sound

color, reliability, remote control

We analyzed user and expert ratings, product age and more factors. Compared to other TVs the Sony KDL-40BX400 is awarded an overall alaScore™ of 83/100 = Very good quality.

See all Sony TVs

Review analysis

(Based on 129 reviews)

1 expert reviews

User Reviews  

Showing 39 review(s)

Expert Reviews User Reviews
Showing 1 - 11 of 39 Show Reviews: in English | in other languages (90)

Consumer review by: ( review summary for Sony KDL-40BX400


alaTest has collected and analyzed 1 user review of Sony KDL-40BX400 from The average user rating for this product is 5.0/5, compared to an average user rating of 4.3/5 for other TVs on People are impressed by the usability. The price also gets good feedback.

image quality, price, usability

100% of the reviews on give this product a positive rating.

This summary is based on the product: Sony KDL-40BX400 - 40" BRAVIA LCD TV - widescreen - 1080p (FullHD) - polished black

Oct, 2015

Consumer review by: Penny (

Sony KDL-32BX400


Picture quality is amazing, very sharp, vivid's as ligh as a feather to move around...e.asy to install etc

Sound quality could be better, but it's adequate

Jul, 2011

Consumer review by: Vicky (

Sony KDL-40BX400


it's a monster tv, but the family love it

i think the picture is a little fuzzy when it's that big but we dont have hd, that might help

Jan, 2011

Consumer review by: Confirmed purchaser (

Sony KDL-40BX400


Superb looking telly. Very stylish and should look good for years. Set up virtually done full automatic, no hassle at all. Excellent selection of inputs/outputs. For price overall excellent telly

Have noticed sometimes slight rattle of speakers only when viewing Sky Sports News though

Jan, 2011

Consumer review by: steve (

Sony KDL-40BX400


Nice design, very easy to set up


Dec, 2010

Consumer review by: Sue (

Sony KDL-40BX400


All of the above we have no complaints

There are none

Dec, 2010

Consumer review by: Confirmed purchaser (

Sony KDL-40BX400


brilliant price for a great tv


Dec, 2010

Consumer review by: Tracy (

Sony KDL-40BX400


Picture & sound quality,very easy to set up

Tv connecters are at the back of the TV & when you put it on the wall it can tilt slightly,would be better if the connecters were underneath

Dec, 2010

Consumer review by: Confirmed purchaser (

Sony KDL-40BX400


very good tv - well pleased with it

Dec, 2010

Consumer review by: Confirmed purchaser (

Sony KDL-40BX400


Nice TV - for elderly relative and easy enough for her to use


Nov, 2010

Consumer review by: Confirmed purchaser (

Sony KDL-40BX400


I'm love on it

Nov, 2010

Product Specifications


2D to 3D Conversion: No
Application Store: No
Application Store (IPTV): No
DLNA certified: Yes
DVB-T2: No
DVD Player / Recorder: No
Electronic Program Guide (EPG): Yes
HbbTV: No
Loudspeakers: Yes
Media Player:Audio/Video
PC Streaming: No
Picture and Picture (PAP): Yes
Picture in Picture (PIP):1 Tuner PIP
USB Recording: No
Video-on-Demand (VoD): No
Web Browser: No
Web Content Access: No


CI Plus: Yes
DLNA certified: Yes
PC Streaming: No
USB: Yes
VGA / D-Sub Interface: Yes
WiFi Connectivity: No
YUV Interface: Yes

Dimensions / Weight

VESA Mount:VESA 200 x 100


4K Upscaling: No
Frame Refresh Rate in Hz:100 / 50
Frequency:50 Hertz
Full HD: Yes
HD ready: Yes
LED Backlight: No
LED Technology: No

Energy Information

Energy Efficiency Class (EU):Unknown
Energy Saving Trust Feature:No / Yes

General Features

3D: No
3D Ready: No
3D Technology:Not Applicable
Product Type:LCD
Screen Format:16:9
Type of Monitor:LCD