JBL

Synchros E40BT

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Item# SYNCHROS E40BT
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Additional Information
Bask your ears in bold JBL sound: 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. The E40BT’s sleek design and five unique color combinations make a visual statement that’s as striking as the sound.
At a Glance:
  • Assertive, contemporary styling in five color combinations.
  • Ergonomic headband and textured, leatherette ear-cushions give an ultra-comfortable fit and effective noise isolation.
  • JBL signature sound with PureBass performance and premium 40mm drivers delivers full spectrum sound with uninhibited clarity and powerful bass.
  • Bluetooth™ enabled technology for wireless calling and streaming music play. Built in ShareMe technology allows simultaneous, wireless music-listening among 2 ShareMe-equipped headphones.
  • Ear-cup-based microphone with echo-cancelation technology for hands-free calling with clear voice transmission.
  • Built-in, USB rechargeable lithium-ion battery provides 16 hours of uninterrupted listening. And when the battery dies, the included aux cable allows for passive listening.
What's in the box:
  • 1 Safety sheet
  • 1 USB aux cable for charging
  • 1 Straight aux cable
  • 1 JBL E40BT on-ear headphones
  • 1 Quick-start guide
The new E40BT takes JBL’s legendary signature sound, adds advanced Bluetooth and mobile features, and packages it all in a sleek design that’s both comfortable and head-turning. JBL’s engineers have combined generous 40mm drivers with PureBass performance, treating your ears to expansive frequency response (10hz to 24KHz) with full, undistorted bass. Bluetooth technology allows wireless connectivity with phones, tablets and music players, while giving you single-button access to crystal clear, connection to your mobile phones, using echo-cancelation technology. Built-in ShareMe™ technology lets you to stream music wirelessly to another ShareMe-equipped headphone. A built-in rechargeable Li-ion battery gives 16 hours play time, and when the battery is flat, use the included aux cable for continued, uninterrupted listening. Beyond great sound, the E40BT is designed for comfort, style, and durability. The Ergonomic headband and 360-degree swivel hinges allow for a personalized fit and long-lasting comfort. The butter-soft, leatherette ear cups cradle your ears for all-day comfort and work to seal out distracting ambient sound. The E40BT’s sleek design and five unique color combinations make a visual statement that’s as striking as its sound.
Product Features:
  • Bluetooth™ enabled technology for wireless calling and streaming music play. Built in ShareMe technology allows simultaneous, wireless music-listening among 2 ShareMe-equipped headphones.
    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. The E40 is a “concert for 2”.
  • Built-in, USB rechargeable lithium-ion battery provides 16 hours of uninterrupted listening. And when the battery dies, the included aux cable allows for passive listening.
    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 for hands-free calling with clear voice transmission.
    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 delivers full spectrum sound with uninhibited clarity and powerful bass.
    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 guarantee a dynamic, undistorted listening experience – Hear the Truth.
  • Ergonomic headband and textured, leatherette ear-cushions give an ultra-comfortable fit and effective noise isolation.
    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.
  • Assertive, contemporary styling in five color combinations.
    Head turning, the E40BT’s contemporary design and five fresh color choices to make a bold statement.
Rechargeable Battery
Features a rechargeable battery for convenient portability and extended playback time.

Bluetooth Connectivity

Allows you to wirelessly stream music through any Bluetooth enabled device.

Legendary JBL Sound
You don't have to venture far from home to experience the legendary power of the JBL sound. Complete 5.1 home theater sound. Includes 4 satellite speakers, a center channel and room-shaking subwoofer.

Aux Connection

Auxiliary-input (aux in) connector allows you to plug into practically any audio device.

Highlights:
Manuals & Downloads:
Device Compatibility:
Bluetooth
General Specifications:
Bluetooth Transmitter Power
<4dBm
Rated Power Input
30mW
Audio Specifications:
Frequency Response
20Hz – 22kHz
Input Impedance
32 ohms
Maximum SPL
114dB @ 30mW
Speaker Specifications:
Driver
40mm
Control and Connection Specifications:
Microphone Sensitivity
-42dBV/Pa @ 1kHz
Synchros E40BT is rated 3.4 out of 5 by 136.
Rated 3 out of 5 by from Quality? I never right reviews this is my first one so here goes. Overall its a solid headphone great sound, comfortable, sleek design. My problem with the headphone is its quality this is my second one already im having the same problem with my second pair i had with the first one. The left side stopped working and its not like im a careless person im very overprotective about my stuff. The first time it happened i thought maybe it was the actual headphone was broken,but twice... So overall for its price great headphone but lesson learned "cheap is expensive" i would recommend it but you get what you pay for if you have the cash go for better quality
Date published: 2015-11-30
Rated 4 out of 5 by from Great purchase so far I was looking to replace a pair of old headphones that I used at work to drown out background noise. I wanted wireless headphones that could be used wired too if needed but I didn't want to pay an outrageous price. The Varsity Stripe COACH Limited Edition has everything I needed and looked great too. The travel pouch is an added perk too because I don't just use them at work. I travel a lot so they'll be necessity for me in airports and on long flights.
Date published: 2016-03-06
Rated 5 out of 5 by from Great Product The sound quality of this product is great. It is really practical to have the Bluetooth feature for wireless listening, which is the primary purpose for this product, surprisingly for a Bluetooth set of headphones, sound quality is not distorted. WIth the cable, the headphones work just as well, it is however very easy to lose the wire, as I did, and as far as I know, I cant purchase another wire.
Date published: 2017-04-30
Rated 5 out of 5 by from Great battery life! 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.
Date published: 2017-10-20
Rated 5 out of 5 by from JBL has one of the best sound on earth! I am totally amazed by the quality even though the price is not high. The color is great and the sound is legendary. I like the purebass performance very much. Definitely one of the best wireless headphones out there.
Date published: 2017-02-04
Rated 5 out of 5 by from 5 Really good but not so comfortable and the sound is really really clear
Date published: 2017-06-23
Rated 5 out of 5 by from Great fit, Sound, and style I Love them so far. I thought they didn't fit properly around my ears but It was user error (I'll admit it). I also like that nobody else has them in my gym. Always love the sound quality from the subs in the trunk to the headphones on my dome.
Date published: 2017-03-01
Rated 5 out of 5 by from JBL SYNCHROS after my dog eat the charging cable, I just ordered a new cable from e-bay and great its charging and they work great.
Date published: 2017-03-23
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Hello, I have a e40bt, and the right side is buzzing always. What should I do, what is the problem? Thank's

Asked by: Barkacstom
We would like to work with you directly. Please submit a case request at https://www.jbl.com/contact-support.html and the Customer Service Team would be more than happy to assist you.
Answered by: Zoe at Customer Service
Date published: 2017-12-02

Are E40BT bluetooth compatible with LG OLED 2017 TVs? Model OLED65E7P. I found that OLED supports bluetooth 2.0 frequency 2400 to 2483.5 MHz

Asked by: JoeB42
Hi, You can still connect your LG TV to the headphone as long as the LG tv can connect to the E40BT, Simply put the E40BT in pairing mode and have your LG Tv detect it and get connected after that, You should be good to go.
Answered by: Mario at Customer service
Date published: 2017-12-02

hi, i have jbl E40BT and one side has stop working?

Asked by: eyalm
I read a lot of people with the same problem. First off let me say that I love the sound and comfort of these headphone. However mine did the same thing, I exchanged them under warranty at Canadian Tire, but after a few months the second pair did the same thing, worked great at first then one side stopped working. I am the type of guy that likes to take stuff apart to learn how and why things work, So I opened the headphones and found a wire that was not soldered or got pulled off it's soldered spot from moving/adjusting the headphones around. I re-soldered the wire and reassembled the headphones using hot glue to hold the wires in place so they can no longer get tension when adjusting the headband, They HAVE been working perfectly for over a year now. &quot; DO NOT &quot; open them if they are under warranty, I hope this helps any other handymen out there, and maybe JBL should look into their assembly line.
Answered by: Paul V
Date published: 2017-12-02

The headphones won't turn on can someone explain why and how to fix them?

Asked by: JblLov3r
We would like to work with you directly to help you with your issue. Please submit a case request at https://www.jbl.com/support-contact.html and the Customer Service Team will be more than happy to assist you.
Answered by: Ren at Customer Service
Date published: 2017-12-02

Is the headband under warranty? It broke on my big head... LoL

Asked by: ove garcia
Unfortunately, the headband is not a replaceable part. Please submit a case at www.jbl.com/support-contact.html for information regarding your warranty options, thank you.
Answered by: Drin at Customer Service
Date published: 2017-12-02

How do you know when the headphones are done charging or require charging? Does the Bluetooth emblem charge colors or something like that?

Asked by: Sumeet
The LED should light up red when charging, and changes color to white when charging is complete. The E40BT charges for 3 hours from 0-100% using the cable provided with the unit @5V1A. Please note, charge time will significantly increase when using lower amperage micro USB charger.
Answered by: Aj at Customer Service
Date published: 2017-12-02

Do you have to always go to pairing mode all the time and manually connect your headphones to your device? Or does it have an &quot;ON&quot; state where if it has been paired before you just have to turn it on and it'll automatically connect?

Asked by: drummarama
After the &#64257;rst time, if you connect your SYNCHROS E40BT headphone to the same device, it will automatically reconnect to that device while it is powered ON.
Answered by: Joe G at Customer Service
Date published: 2017-12-02

How do I pair it to, beside my phone.

Asked by: zell
To activate the pairing mode again on the headphones, just press and hold the BT button for at least 5 seconds, once the in pairing mode, toggle your device BT and scan for available devices once you see E40BT try to establish a connection. You can connect 3 BT enabled devices to the unit, but only one device can play at one time.
Answered by: Mel at Customer Service
Date published: 2017-12-02
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1 Year Warranty

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