Sennheiser CX 400BT True Wireless

The 

-- As reviewed by Rtings
Sennheiser CX 400BT True Wireles 1

Product details

  • Audio quality is our top priority: Experience great sound with a 7 millimeter dynamic driver and a wide range of Bluetooth codec support
  • Long battery life (20 hours) and comfortable wearing: Get up to 20 hours of music playtime with one charge - The ergonomic design​ offers optimal comfort and secure fit with 4 ear adapter sizes​​
  • Personalize to your everyday needs: Fully adaptable controls for music, calls and voice assistant​ - Built-in audio equalizer​ adapts the sound to your personal preferences
  • Full digital control with our app: Our Smart Control app for iOS / Android​ allows all of the earphone functionalities to be modified to your personal choice
  • Enjoy outstanding sound quality no matter your mobile device or your surroundings with our wide range of audio codec support including AAC, aptX, SBC as well as passive Noise Cancelling
  • Sennheiser uses decades of expertise to drive the world of audio technology forward with every product - for new, unique sound experiences
  • Included components: CX 400BT True Wireless, Charging case, USB-C charging cable, Silicone ear adapter sets (in size XS/S/M/L)

PROS

+ Great build quality.

CONS

- Disappointing battery performance.
- Bulky design.

Expert reviews and ratings

By Rtings on November 25, 2020
The 
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By PCMag on October 23, 2020
The Sennheiser CX 400BT earphones deliver some of the best on-ear controls and audio performance you'll find in a true wireless pair.
80
By TechRadar on September 04, 2020
They’re not the most glamorous nor the most distinctive – but Sennheiser’s new CX400BT true wireless earbuds have it where it counts. They sound open and articulate, and if there’s detail in a recording to be extracted, you can rely on them to do just that.
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