JBL

Synchros E40BT

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Bluetooth® on-ear Headphones featuring JBL signature sound, PureBass performance and wireless connectivity with music sharing feature

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On-ear stereo headphones featuring Bluetooth® connectivity with ShareMe music sharing.

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.

Item# SYNCHROS E40BT

Device Compatibility

Bluetooth Yes

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
Click here for a complete list of all specs for this product

Spec Sheet (EN)

English 752 KB
  • 1 Safety sheet
  • 1 USB aux cable for charging
  • 1 Straight aux cable
  • 1 JBL E40BT on-ear headphones
  • 1 Quick-start guide

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1 Year Warranty

Products purchased online or from an authorized local retailer and under warranty may qualify for an exchange with a valid receipt.

Purchases made from an unauthorized dealer will not be eligible for exchange.

Call us: 1.800.336.4525

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Synchros E40BT is rated 3.4 out of 5 by 127.
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 awesome sound I love Coach products style etc and JBL rocks the combination together is unreal!
Date published: 2017-05-25
Rated 5 out of 5 by from Introduced new undertones After listening to a track that I have heard many times I realized I had actually been missing some of the soft spoken lyrics and undertones. The range is expansive and pure. Even when playing at a modestly loud volume the music was pleasing to the ear, not sharp or harsh. Well done.
Date published: 2017-05-19
Rated 5 out of 5 by from Really Great Sound! I bought it for my wife in purple wich looks nice and stylish. Very useful built-in mic feature. Great bass sound.
Date published: 2017-05-14
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
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  • clientName_jbl

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: 2017-07-18

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: 2017-07-03

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: 2017-06-15

I got these 6 months ago, and a few days ago they stopped turning on, I've plugged them in over night to charge, and the light came on to show they are charging, but when I try to turn them on when they're unplugged and &nbsp;they wont turn on

Asked by: zander
To determine where the problem is, please try using a different USB charging cable and plug it in at an alternate power source. I noticed that you're in Canada. If the issue persists, please send an e-mail to info@eriksonconsumer.com and the Customer Service team will be more than happy to further assist you.
Answered by: Joe G at Customer Service
Date published: 2017-06-06

I got these 6 months ago, and a few days ago they stopped turning on, I've plugged them in over night to charge, and the light came on to show they are charging, but when I try to turn them on when they're unplugged and &nbsp;they wont turn on

Asked by: zander chiasdon
To determine where the problem is, please try using a different USB charging cable and plug it in at an alternate power source. I noticed that you're in Canada. If the issue persists, please send an e-mail to info@eriksonconsumer.com and the Customer Service team will be more than happy to further assist you.
Answered by: Joe G at Customer Service
Date published: 2017-06-06

I have a headphones JBL E40BT that only the right side of the headphones is working. The bluetooth is working and cable conexion also. Only the right side plays. I need a solution, please.

Asked by: GALVAO
What you are experiencing with the E40BT is not normal. Try a different source to isolate the issue. If your source device has a balance control please check and make sure that it is set in the middle. I noticed that you are in Brazil. If this doesn't help, please submit a case at tecnica@harman.com and our Customer Service team will be glad to assist you.
Answered by: Joe G at Customer Service
Date published: 2017-07-17

What speed charger need to use

Asked by: read
The E40BT charges for 3 hours from 0-100% using the cable provided with the unit @5V1A. Using 5V and higher than 1A will shorten the charging time for the E40BT.
Answered by: Joe G at Customer Service
Date published: 2017-07-17

i was given these for fathers day i think a year ago maybe two well about 9 months in the left ear stopped working and t mobile refused to replace them which is who we got them from why did it stop working?

Asked by: josh d
What you are experiencing with the E40BT is not normal. Try a different source to isolate the issue. If your source device has a balance control please check and make sure that it is not set favoring the left side. If this doesn't help, please submit a case request at www.jbl.com/support-contact.html and our Customer Service team will be glad to assist you.
Answered by: Joe G at Customer Service
Date published: 2017-05-15
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