About the JBL Synchros E40BT
Bluetooth on a budget
Earcup buttons keep you in control of music and calls when you're listening wirelessly with the Synchros E40BT (shown in Red).
Bluetooth on a budget
You don't have to spend a lot of money to get headphones with Bluetooth wireless connectivity and good sound. The JBL Synchros E40BT delivers both at an impressively low price. They're cleverly styled, well built, and offer JBL's legendary sound, with PureBass technology ensuring your music has plenty of low-frequency power. Stow your smartphone in your pocket and listen wirelessly, using the the earcup controls to play and pause music, adjust the volume, or even take a hands-free call with the built-in microphone.
Wireless or wired listening
The Synchros E40BT run on a built-in rechargeable battery, which provides up to 16 hours of use. If your battery runs down, you won't be stuck without music. Simply connect the included headphone cable and keep listening in wired mode. Then, use your computer or a USB AC charger to get your headphones charged up for more wireless use.
Share a song wirelessly
One pair of E40BT headphones is cool. Two pairs can do something really cool. You can stream music to another pair of headphones wirelessly using JBL's ShareMe™ technology. This allows two people to listen to the same song from the same source at the same time. You can share music with any two pairs of ShareMe compatible headphones.
Product highlights:
- 40mm dynamic drivers
- Bluetooth 3.0 and A2DP connectivity for wireless music listening and phone calls with compatible smartphones
- earcup buttons offer music, volume, and call controls for compatible Bluetooth connected smartphones
- built-in earcup microphone with echo-cancellation for clear, hands-free calls with a smartphone
- PureBass technology delivers low-frequency response with detail and accuracy
- ShareMe technology allows you to stream music wirelessly to a second pair of ShareMe compatible headphones
- includes miniplug headphone cable for wired listening (disables Bluetooth functionality)
- earcups swivel and fold flat for easy storage
- built-in rechargeable battery provides up to 16 hours of music listening
- USB charging cable included
- frequency response: 20-22,000 Hz
- impedance: 32 ohms
- warranty: 1 year
- MFR # E40BTPUR
What's in the box:
JBL Synchros E40BT owner's manual
- On-ear Bluetooth headphones (purple)
- 50" Straight audio cable (straight 2.5mm plug on one end and a right angled 3.5mm plug on other end)
- 40" Straight USB cable for charging (straight 2.5mm plug on one end and Type A USB plug on other end)
- Quick Start Guide
- Warranty sheet
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Customer reviews for JBL Synchros E40BT
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Average review:
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Customer photos
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More details on the JBL Synchros E40BT
Features & specs
General | ||
---|---|---|
Fit Style | On-ear | |
Earcup Type | Closed | |
Earcup Width x Height | 2.839" x 2.839" | |
Noise-canceling | No | |
Bluetooth | Yes | |
Bluetooth Version | --- | |
Single-earbud Operation | --- | |
Mic For Taking Calls | Yes | |
Voice Assistant Access | ||
Amazon Alexa | No | |
Google Assistant | No | |
Siri | No | |
Connectors | ||
3.5mm | No | |
1/4" | No | |
Lightning | No | |
4.4mm balanced | No | |
XLR4 balanced | No | |
2.5mm | No | |
Other | None | |
Specs | ||
Frequency Response | 20-22k Hz | |
Sensitivity | 114 dB | |
Impedance | 32 Ohms | |
Weight | 7.23 ounces | |
Cord Length | 40" | |
Parts Warranty | 1 Year | |
Labor Warranty | 1 Year |
Product Research
Features
Overview: The JBL Synchros E40BT Bluetooth headphones offer convenience and performance in one stylish and comfortable package. With ShareMe technology, you can even share your experience with another set of headphones. The E40BTs have a built-in Lithium-ion rechargeable battery that provides all day music playback capability. When the battery becomes exhausted, you can plug in the supplied auxiliary cable and continue listening.
Drivers: The Synchros E40BT over-the-ear headphones feature large 40mm drivers with PureBass performance in a lightweight closed design. The 32-ohm drivers give you crystal-clear stereo for enjoying your music or carrying on a phone conversation.
Bluetooth: The Synchros E40BT supports Bluetooth 3.0, with A2DP v1.3, AVRCP v1.5, HFP v1.6, and HSP v1.2. The left ear cup is equipped with a microphone featuring Konnexx echo-cancellation technology to give you a clean connection and clear, hands-free calling. The headphones are compatible with iPad (mini, 3rd and 4th gen), iPhone (5s, 5c, 5, and 4s), iPod touch, MacBook Air, MacBook Pro, Mac mini, Android 1.5 Cupcake to Android 4.4 KitKat, and Blackberry 1.0 to Blackberry 10 OS.
ShareMe: JBL's exclusive ShareMe technology lets you wirelessly and simultaneously share your music with another ShareMe-enabled headphone. When you are paired with a Bluetooth source device, you can then add a second pair of headphones and listen to the same source at the same time--a concert for two. ShareMe can be enabled using two E40BT headphones, a E40BT and an E50BT, or two E50BT headphones.
On-board Controls: The headphones' left ear cup includes a 4-way Multi-function Button (MFB) that lets you control your music playback and phone calls:
- Press MFB up/down: Raises volume up or down
- Press MFB forward:
- Music: 1x play/pause; 2x next track; 3x previous track
- Phone Calls: short press answer call; long press reject call; manage 2 calls at same time
- Press and hold MFB forward: 1x fast forward; 2x fast reverse
- Press MFB backward: ShareMe function
Battery: The built-in 3.7V Lithium-ion rechargeable battery (610 mAh) provides approximately 16 hours of music playback time, or 24 hours of phone talk time. The battery charges in approximately 3 hours via the included USB cable.
Specifications: The Synchros E40BT has the following specs:
- Frequency Response: 20-22kHz
- Maximum SPL: 114dB @ 30mW
- Impedance: 32 ohms
- BT Frequency Range: 2.402 - 2.480 GHz
- Weight: 7.23 ounces
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Customer Q&A
6 questions already asked
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With the music only 1/4 to half volume they reduce the noise from the dyno at a Harley Davidson dealership, so I would say they are pretty good. Love the bass and the sounds in songs that I have not heard on a regular car stereo. Will be buying this again for the price they are awesome.
Mike from Wisconsin