Sony WI-XB400 Wireless Extra Bass Headphones

Model NameHeadphones
Model Year2019
Item Weight22.7 g
Product Dimensions9.1 x 4.1 x 18 cm
Batteries:1 Lithium Polymer batteries required. (included)
Item model numberWIXB400/L
Compatible DevicesSony
Additional FeaturesWireless
Included ComponentsReference Guide, USB Cable
Number Of Items1
Microphone Form FactorBuilt-In
Headphones Form FactorIn-Ear
Batteries IncludedYes
Batteries RequiredYes
Battery Cell CompositionLithium
Connector TypeBluetooth
Device interface – primaryMicrophone
Includes Rechargeable BatteryYes
  • Extra Bass: Wireless Extra Bass Neckband Headphones for casual and daily usage
  • Battery Life: Up to 15 hours of battery life
  • Quick Charge: Quick charge in 10mins for 60mins playback
  • Tangle Free Wires: Magnetic housing for tangle-free listening
  • Headphones with Mic: In-Built Mic for Hands-free calling with HD voice
  • Light Weight: Portable headphones with ultra-lightweight at 21g design
  • Voice assistant: Google Assistant for voice access to music, information, and more. Activate with a simple touch
  • Colour Options: 2 classic colours to blend into your outfit
  • Driver Unit: 12mm driver unit offers clear sound quality
  • In the box: Charging cable, Earbuds 3 Units, Instruction Manual


Colour: Blue

Sony Lightweight headphones with EXTRA BASS for a deep, punchy sound

As part of the EXTRA BASS range from Sony, the WI-XB400 headphones enhance all of your low-end frequencies for exceptional bass, while maintaining vocal clarity, lifting every track with wave after wave of thundering rhythm.

Enjoy wireless freedom with Bluetooth

Stream your favourite tracks from a paired smartphone or tablet with Bluetooth wireless technology.

Enjoy up to 15 hours of non-stop music

With up to 15 hours of playback when fully charged, you can listen to your favourite playlists throughout the day.

Magnetic buds for easy carrying

Each earbud has a built-in magnet for tangle-free carrying and storage. It keeps you clutter-free when you’re not listening to music.

Power up with a quick charge

When your battery runs low, just 10 minutes of charging will get you 60 minutes of playback with the Type-C cable. This means that you’ll soon be ready to get the music going again, even if you’re in a rush.

Easy hands-free calling

Conversation flows freely with easy hands-free calling, thanks to the built-in microphone. No need to even take your phone from your pocket.

Listen in comfort, anywhere, anytime

The soft, flexible and lightweight neckband is shaped for comfortable, all-day wearing. And when you’ve finished listening, you can roll or wrap up your headphones for easy storage in your bag or pocket.

Easy operation with buttons

Use the buttons to play, stop or skip through tracks and adjust the volume.

Voice-assistant compatible

A simple button press connects you to your smartphone’s voice assistant to get directions, play music and communicate with contacts*

* Voice assist function compatible with Android smartphone (Google App) or iPhone (Siri). Bluetooth connection required.

The First Wireless Neck-Band Extra Bass Headphones: WI-XB400 from Sony
The headphones enhance all your low-end frequencies for exceptional bass while maintaining vocal clarity, lifting every track with wave after wave of thundering rhythm
With 15 hours of battery life, headphones sustain enough power to accompany you. You enjoy music and immerse yourself in favorite tunes for long listening hours
The neck-band headphone comes with quick charge function that provides up to one hour of wireless playback after just ten minutes of charging
With built-in Google Assistant, it has now become quite easier to use their voice to ask for the latest tune, change the volume, and enjoy the hands-free, voice-controlled experience. You just need your preferred voice assistant to play your favorite tracks, naturally
Each earbud has a built-in magnet for tangle-free carrying and storage. It keeps you clutter-free when you’re not listening to music
you can go completely hands-free while listening to music or making calls as it comes with a built-in microphone and is compatible for you to enjoy entertainment on the go, connect with friends and many more
With 12mm driver units, the headphones deliver clear and punchy sound. This compact headphone can be stored effortlessly in a bag
Now charging your device has got a lot simpler with a Type C cable
It’s time for you to say goodbye to tangled wire and enjoy flawless, interruption-free listening

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