Visit our Business Solutions website >>


alaTest has collected and analyzed 13 reviews of JBL E40 BT. The average rating for this product is 4.2/5, compared to an average rating of 4.0/5 for other Headphones for all reviews. Reviewers really like the price and size. The usability and design are also appreciated, whereas some have doubts about the reliability and comfort.

sound, design, usability, size, price

durability, comfort, reliability

We analyzed user and expert ratings, product age and more factors. Compared to other Headphones the JBL E40 BT is awarded an overall alaScore™ of 90/100 = Excellent quality.

Review analysis

(Based on 13 reviews)

Expert Reviews  

User Reviews  

Showing 6 review(s)

Expert Reviews User Reviews
Showing 1 - 6 of 6 Show Reviews: in English | in other languages (7)

Consumer review by: ( review summary for JBL E40 BT


alaTest has collected and analyzed 3 user reviews of JBL E40 BT from The average user rating for this product is 2.7/5, compared to an average user rating of 3.9/5 for other Headphones on People are impressed by the design and price. The usability and sound are also appreciated. Some have doubts about the reliability and durability. Views are divided on the comfort.

sound, usability, price, design

durability, reliability

33% of the reviews on give this product a positive rating.

This summary is based on the product: JBL Synchros E40BT On Ear Headphone - Black

Aug, 2015

Expert review by: Jordan Anderson (

Review: JBL Synchros E40BT headphones


Balanced sound, cleaver controls make wearing on-ear headphones enjoyable

Bluetooth range ; Control system ; Sound quality

Flimsy construction ; Headband adjustment ; Uncomfortable after two hours

For all the different configurations of headphones on the market, it's always a tough choice for buyers to get something that is just right. For consumers searching for a strong sound but who don't want to shell out a couple hundred dollars on over-t

Jul, 2014

Consumer review by: Grasshop (

Great pair of headphones


These are great, bluetooth was super easy to setup, and the media controls on the headphones are really handy. It's great to play/pause, skip or previous track without having to dig out your phone from your pocket. I'm not a hardcore audiophile so I...

May, 2015

Consumer review by: leroy47 (

very good headphones


The headphones were a Christmas gift. I have had for almost 3 months and they are excellent. The audio response is as good or better than any ot the wired headphones I own. The bluetooth range is pretty good - I can walk almost anywhere in the house...

Mar, 2015

Product Specifications


Display: No
Microphone Boom Arm: No
Multi Compatible Gaming Function: No
Mute Control: No
Sound System:STEREO
Volume Control: Yes


Bluetooth: Yes
Connection:ONE 3.5 mm Plug
USB Dongle: No

General Features

Compatibility:for 4 and more brands