Sony WI-XB400 EXTRA BASS Wireless In-Ear Headphones

Lightweight design, punchy bass

The Sony WI-XB400 EXTRA BASS Wireless In-Ear Headphones are lightweight in stature but pack a punch when it comes to their sound. Expect enhanced low-end frequencies, coupled with a stunning bass - listen to your favourite songs at they were meant to be heard.

They connect effortlessly via Bluetooth and have a battery life of up to 15 hours when continuously used. The comfortable and flexible neckband is designed with all-day use in mind and each earbud has a built-in magnet for tangle-free use.

Add to your plan for just £4 a month for 11 months, with £10 upfront cost. Just choose your phone, and add the Sony WI-XB400 EXTRA BASS Wireless In-Ear Headphones once you’re in the basket.


Add up to three accessories and spread the cost across your pay monthly EE contract over 11 months.

With no fees and no interest, it’s a no brainer.

Technical specification

  • Weight: 21g
  • Driver unit: 12mm
  • Frequency response: 20Hz - 20,000Hz
  • Battery charge time: Approx. 3 hrs
  • Battery life: Max. 15 hrs
  • Bluetooth version: 5.0
  • Charging cable: USB Type-C

Add to Plan

New customer?

Choose a new phone plan, then add accessories from Add to Plan products listed on extras page.

Already a customer?

If you are within the first 17 months of your 24-month contract, log in then select Add To Plan products. You will then be presented with the top recommended products based on your existing phone.

Ready to upgrade?

Log in and go to shop, select a phone plan then choose accessories from Add to Plan products listed on extras page.