Wireless On-Ear Headphones

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Wireless On-Ear Headphones

In your world, superior sound is essential, so slip on a pair of JBL LIVE400BT wireless on-ear headphones. Equipped with massive 40mm drivers, JBL LIVE400BT headphones deliver JBL Signature Sound, punctuated with enhanced bass so every track on every playlist pops. Need some help getting through the day? Easily access the Google Assistant or Amazon Alexa with a tap on the ear cup and play your favorite playlist, text your friend or check the weather and much more, without glancing at your phone. But that’s not all. The JBL LIVE400BT headphones can also keep you in touch with your surroundings thanks to the Ambient Aware function and TalkThru technology that lets you have a conversation without removing the headphones. Lightweight and comfortable thanks to the pillow soft padded headband, you’ll enjoy 24 hours of music streaming with 2 hours of recharging time, multi-point connection capabilities and a convenient detachable cable with remote/mic, that lets you rock on even when the battery goes off. Rock out while staying tuned in with the JBL LIVE400BT headphones


General Specifications

Headphone cable length (ft) 4.38
Weight (g) 185.8
Weight (oz) 6.83
Ear cushion material PU Leather
Bluetooth version 4.2
Headphone cable length (cm) 133.4

Audio Specifications

Driver size (mm) 40.0
Number of drivers per ear 1.0
Driver sensitivity at 1kHz/1mW (dB) 106dB SPL@1kHz/Pa
Impedance (ohms) 32.0


Weight (g) 185.8g

Control and Connection Specifications

Bluetooth profiles A2DP V1.3, AVRCP V1.5, HFP V1.6, HSP V1.2
Bluetooth transmitter power 0-4 dbm
Bluetooth frequency 2.402 – 2.480GHz
Bluetooth transmitted modulation GFSK, π/4 DQPSK, 8DPSK


Dynamic frequency response range (Hz) 20Hz – 20kHz
Battery Type Lithium-ion polymer (3.7V, 700mAh)
Charging time (hours from empty) 2.0
Speed Charging time (hours) 2.0
Talk time (hours) 24.0
Maximum music play time with ANC off (hours) 24.0
Play time (hours) 24.0


Rechargable battery Yes
Remote control on ear cups? Yes
JBL Signature Sound Yes
Detachable Cable Yes
Fabric headband Yes
Speed charge No
Bulit-in Microphone Yes
On-ear Yes
Comes with APP Yes
Flat-fold design Yes
Multi-Point Connection Yes
Google Assistant Yes
Wireless Yes
Alexa Yes
Hands Free Call Yes
TalkThru Yes
Touch Control Yes
Ambient Aware Yes
Siri/ Google Now Yes
Bixby No
Click here for a complete list of all specs for this product

Spec Sheet (EN)

English 795 KB
  • LIVE400BT
  • Aux Cable
  • Charging Cable
  • 1 x Warranty/Warning
  • 1 x QSG/Safety Sheet

Manuals & Downloads

The latest owner's manuals, quick start guides, and documents.

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JBL LIVE 400BT is rated 4.5 out of 5 by 39.
Rated 5 out of 5 by from Great sound, great features + mobile app! I’m what you would consider a sound snob, love dynamic sound from the 20hz lows to the 20khz highs. These headphones sound amazing and they get loud! I tried a few other bluetooth headphones where they sound decent but don’t get loud enough, not that problem here at all. I have wired Beats headphones and I love them, these are the only other headphones I’ve tried that I can say are either better or same match. I actually think these are a bit clearer in the mids which is really nice. Nice snug fit, I don’t have a large head, but it’s not small/regular. Comfortable for a few hours. The app is nice and lets you control the ambient listening feature and talking to other people feature, basically either lets you hear noises outside of you OR talk to someone without taking off your headphones or stopping the music, pretty cool! Something I didn’t know I needed. Construction is very nice and feels quality. Comes with wire to listen with the headphones wired if the battery dies. That’s about it, great product. Now just to see that they don’t malfunction or whatever.
Date published: 2019-06-20
Rated 5 out of 5 by from Work great I have had these for about a month now. They connect easily to Bluetooth devices. The sound quality is excellent. The talk thru and ambient aware modes are a nice feature especially if you wear them at work. The ambient aware modes does not amplify sounds like the Everest 750s do. The sound is more like normal hearing level. I used these on both Alexa and Google assistant. Activating the feature can be a little difficult but after I used them a few times I got the hang of it. Holding my hand on the earcup seemed to work best. Overall these are a nice headphone for the price. The Google and Alexa feature gives you a nice handsfree feature when you're busy.
Date published: 2019-06-07
Rated 5 out of 5 by from Great decision to take them !!! I m so happy and thanks to the quality offered by jbl.
Date published: 2019-06-04
Rated 5 out of 5 by from Worth the price At first glance these headphones look simple and sleek. The design is smooth but also sharp on the top, the ears fold in making for good fits in tight spots in my backpack. The sound on these headphones is extremely high quality which is usual with most JBL products, specifically when listening to spacey music with lots of separation. The clarity of the Live 400BT makes for very clear separation of instruments or sounds in songs which can be quite nice! As far as the small features that these headphones have it seems as though even coming from a simple design it has bells and whistles that make for a great listening experience. The tilt of the individual ears to follow the flow of a head makes for a more comfortable and ergonomically sound fit on the head meaning that even when shaking your head or looking around they will not fall off. The simple features such as the easy slide on off button or the noise cancelling mode that can be accessed through the app makes for an enjoyable experience all around. Overall a fantastic headphone with amazing sound that are both reliable and backed up by a very strong charge.
Date published: 2019-05-31
Rated 5 out of 5 by from Great for the Price It comes with Ambient Awareness on straight out of the box, which is a feature that allows you to listen to your music while still maintaining a hearing of your surroundings. This could be used when you're running in the city or on the subway so if there's a car coming or somebody is talking, you can easily hear them. However, when this is on, it lowers the sound and you cannot experience a full volume listening. So, make sure that it is turned off if you're seeking more volume out of your headphones. (It can easily be turned on and off with the click of a button on the right earmuff). The Google Assistant works very well and it is consistent. One tap on the left earmuff will tell you the new notifications and it can easily be activated by saying "Okay Google". This is unbelievably convenient when you don't want to take out your phone to access important information. The sound is amazing. It has the classic punchy JBL bass (great lows), especially when used with the JBL headphones application. The vocals and the overall mids are good as well. The app is very useful with the new update and it really allows you to get the best out of your headphones. So easy to customize and create numerous sound presets for different genres with the equalizer. You can easily hear the 808s in Hip-Hop tracks when the "bass" preset is selected in the app. The battery life isn't actually 24 hours, at least for me. I got around 20 to 22 hours, of course, we all use our headphones differently and you can easily achieve the 24-hour battery life with a different use. However, it definitely charges fast. The headband is comfortable with the mesh design and definitely appears cool. However, this mesh design might make it easier for the headband to get hooked to items in bookbags and mess the pattern (happened to my JBL Flip 4). I personally haven't experienced any problems, but writing about it just in case. The padding is decent. It is an on-ear design so it doesn't cover your entire ear and it isn't very soft, isn't that comfortable for long use (5+ hours). The headphones have a long range. I was able to place my phone on the side of the field and do soccer warm-ups. Then, placed my phone in the bedroom on the second floor and still had connection in the living room on the first floor. This is something you probably wouldn't do but you could if you wanted to. There's no information about the sweatproof or water resistance but I have no problems with it so far. To conclude, these sound amazing just like the rest of JBL & Harman products. You can, of course, use the headphones application to adjust the sounds to your taste. If you travel, forget to charge your devices and exercise a lot. Then, these might fit you well. The battery lasts long and it charges very quickly "extra 2 hours in 15 minutes". Voice assistant feature and tap to active are great if you're on the go or don't want to reach to your phone for a small action.
Date published: 2019-05-30
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Can you recommend a good noise cancellation pair, needed for plane travel to aid sleep.

Asked by: Pje27
Thank you very much for your interest. In order to offer you a tailor-made consultation, we would like to ask you to contact the Harman Customer Support team by telephone, email or chat in order to receive direct assistance. Please see https://uk.harmanaudio.com/support-contact.html#ns
Answered by: Arthan
Date published: 2019-06-19

Will these fit an 11 year old?

Asked by: DaneH
The driver size of the JBL Live 400BT is a massive 40 mm. If you're looking for headphones for youngsters, you may want to check out the JBL JR300BT - designed for kids.
Answered by: Eugene at CustomerService
Date published: 2019-02-07

what is the range of bluetooth in this head phone?

Asked by: Rishabh
Thanks for reaching out. Our portable or Bluetooth speakers/headphones has a default Bluetooth range of 10 meters (33 feet).This could be less if your connection is experiencing interferences/interruptions. If you have other questions or any inquiries, 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: Mario at Customer service
Date published: 2019-04-16

Since the headphones don't come with a travel case, what would fit these type of headphones? Preferably a hard shell

Asked by: Mikes21
You may use any headphone case that fits these as long as it's secured when stored.
Answered by: Mario at Customer service
Date published: 2019-04-16

I want to use these while at the gym , will that be fine? Like with the sweating and such like running on a tread mill ?

Asked by: diana21
Yes , they work great! & also have Google assistant!
Answered by: WILLIAM Monk
Date published: 2019-03-25

Is it compatible with Siri?

Asked by: Madda
Yes this is compatible with Siri.
Answered by: LuckyPenny
Date published: 2019-05-14
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