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Review Summary
2020-03-25T20:00:00
sounds good but horrible quality swivel broke after 2 years of almost no use
liviu223112
2019-02-21T19:00:00
broke at the hinge. this also happened to another pair I bought only giving one star just because this is an easy fix that jbl could have easily fixed
zelf
2018-12-24T19:00:00
Sound quality is amazing, I never had a problem with it. battery always lasted me weeks with heavy usage at work. heavy duty builds, lasting 3 years in construction sites.
RubbenHub
2018-09-21T20:00:00
The sound quality isn't great, bass sucks, they fell off my desk while working and they sound so bad now like cheap headphones definitely don't recommend you waste your money
Spencer19
2018-08-08T20:00:00
Jobless e40bt is a beautiful pair of headphones because the Cristal sound makes them perfect for music and tv
Carletto166
2018-05-31T20:00:00
Only one side worked after unboxing it, this is not the kind of surprise you expect of that kind of product. If you want wireless headphone I strongly disrecommend you that one.
ruben971
2018-05-23T20:00:00
The earpads and head cushion have fallen off after a couple years of moderate use.
xoph
2018-04-19T20:00:00
i bought them for 100 $ but then i discover a better price for them and i fell sad now... jbl u are not getting a penny out of me anymore.
sad o.
2018-03-31T20:00:00
This did not last 2 weeks and jbl harman basically only offered a 30% discount on another item even though I paid $100 for this one,not quite the same for replacement.Will not buy any jbl products ever again.
disappointed j.
2018-02-20T19:00:00
There’re actually very good but,they don’t work anymore.I don’t understand why because I have taken very good care of them because You know they are pretty expensive but I’m not really sure what to do!Hope this helped
Phanic I.
2018-02-05T19:00:00
The phones are great, worked fine for a month, but after that one of the phones just stopped working. I'm waiting to hear from JBL to check what they have to say. Connection is fast and great, Battery lasts for long time as they say, but not very comfortable. I think I was just unlucky for having this issue.
Rafarkduk
2017-12-14T19:00:00
Total garbage! Bought two pairs; first pair worked for about 8 months then the left side stopped working. Contacted JBL and because the serial number shows that they shipped them to my seller outside the warranty period, I get nothing. My wife never used the pair I got her, so I started using them and a couple months later, the left side stopped working on them as well. Needless to say not a JBL fan and will never buy another JBL product.
aaazdaddy
2017-11-09T19:00:00
save yourself the cash, google jbl e40bt left ear. Both me and my roommate had a pair and the left side went out on our headsets within a month
agletless
2017-10-19T20:00:00
I owned these a couple months ago, after a few weeks started to lose some parts, and started to feel a little fragile. Despite, are the best headphones. I ever had.
Marcosklok
2017-10-12T20:00:00
Very disappointed with these headphones and the quality of JBL products after they stopped working on one side, apparently due to a common problem in the wires. The next time I buy headphones I will look for another, more reliable brand.
pauwl
Great Features!!!
By Carletto166
Jobless e40bt is a beautiful pair of headphones because the Cristal sound makes them perfect for music and tv
Amazing sound and durabilty.
By RubbenHub
Sound quality is amazing, I never had a problem with it. battery always lasted me weeks with heavy usage at work. heavy duty builds, lasting 3 years in construction sites.
The JBL Synchros E40BT Black On-Ear Bluetooth Wireless Stereo Headphones features JBL's legendary sound, Bluetooth connectivity with ShareMe music sharing, all in a stylish, contemporary design. Large 40mm drivers with PureBass performance envelop your ears, delivering an expansive soundstage with clarity and precision.
Bluetooth technology allows wireless connectivity with your smart devices, with single-button access access to hands-free, clear calling thanks to JBL echo-cancellation technology. Integrated ShareMe lets you take your music social, allowing you to stream music wirelessly to another ShareMe-equipped headphone. And a built-in rechargeable Li-ion battery keeps the sound going with 16 hours of uninterrupted play time. The ergonomic headband and 3-D hinges provide for long lasting comfort. Soft, leatherette ear cups cradle your ears for all-day comfort while providing a heightened level of passive noise reduction.
Bluetooth enabled technology
The E40BT is a stylish, wireless headphone that is the perfect complement to a smart device or tablet. It's also a social hub: activate ShareMe with the touch of the ear cup and stream your music to another ShareMe enabled headphone.
Built-in, USB rechargeable lithium-ion battery
Listen all day, charge at night. The built-in rechargeable Li-ion battery powers the E40 for a generous, best-in-class 16-hours of play time. And on the occasion that you find yourself without power, use the included 3.5mm aux cable to play passively. Also included, a micro USB cord for recharging.
Ear-cup-based microphone with echo-cancelation technology
The E40BT keeps you connected, not tied down. Seamlessly shift from music listening to a phone call at the touch of a button. Speak wirelessly via the built-in microphone and experience clarity thanks to JBL echo-cancelation technology.
JBL signature sound with PureBass performance and premium 40mm drivers
The E40BT delivers uncompromising highs and expansive lows; performing at a high level, is reproduces a wide frequency response from 10hz to 24khz. The large drivers combine with JBL's PureBass performance to assure a dynamic, undistorted listening experience - Hear the Truth.
Ergonomic headband and textured, leatherette ear-cushions
The lightweight, ergonomically designed headband with soft, leatherette ear cushions cradle your ears for all-day listening comfort, while shutting out noise from the outside world. 3D, aluminum swivel hinges align the ear pad for the perfect fit and ultimate wearability.