Customizable Content Container
JBL LIVE 400BT Personalized
JBL Signature Sound
40mm drivers and a sound signature that can be found in the most famous venues all around the world.
Get help from your Voice Assistant
Play your favorite playlist, text your friend, check the weather and much more by simply tapping the ear cup to activate the Google voice assistant or Amazon Alexa. Use the all-new JBL App to easily set your preferred voice assistants
Ambient Aware and TalkThru Technology
Don’t let the music stop! Stay in touch with your surroundings while listening to your tunes. A touch of the Ambient Aware button increases the ambient sound and lets you hear what’s happening around you. The TalkThru mode drops the music level down, allowing you to talk to your friends without removing your headphones.
24 Hours Battery Life - 2 Hours Recharging Time
Rock on for a full day and enjoy fast recharging if that’s not enough.
15 minutes charging for 2 hours playtime
A quick 15-minute charge lets you extend the fun for an additional 2 hours.
Stay in touch with your world by managing calls with the buttons on the ear-cup. When the battery is flat, just plug-in the audio cable and continue listening and chatting.
Allows you to effortlessly switch from one Bluetooth® device to another. You can simply switch from a video on your tablet to a call on your mobile phone, so that you’ll never miss a call.
My JBL Headphones App
Personalize your listening experience by tweaking the JBL LIVE400BT sound preferences via the free My JBL Headphones App.
Comfort-fit fabric headband
Shaped around your head with a fitting fabric headband and soft ear cushions, the LIVE400BT are super comfy
Detachable cable with remote & microphone
When the battery is flat, just plug-in the audio cable and continue listening or chatting
Headphone cable length (ft)
Ear cushion material
Headphone cable length (cm)
Driver size (mm)
Number of drivers per ear
Driver sensitivity at 1kHz/1mW (dB)
Control and Connection Specifications
A2DP V1.3, AVRCP V1.5, HFP V1.6, HSP V1.2
Bluetooth transmitter power
2.402 – 2.480GHz
Bluetooth transmitted modulation
GFSK, π/4 DQPSK, 8DPSK
Dynamic frequency response range (Hz)
20Hz – 20kHz
Lithium-ion polymer (3.7V, 700mAh)
Charging time (hours from empty)
Speed Charging time (hours)
Talk time (hours)
Maximum music play time with ANC off (hours)
Play time (hours)
Remote control on ear cups?
JBL Signature Sound
Comes with APP
Hands Free Call
Siri/ Google Now
- Aux Cable
- Charging Cable
- 1 x Warranty/Warning
- 1 x QSG/Safety Sheet
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
Manuals & Downloads
The latest owner's manuals, quick start guides, and documents.