With the QuietComfort Ultra (2nd gen), Bose has once again succeeded in creating comfortable headphones with strong ANC and good sound in the good old tradition. However, there are still minor weaknesses in the 3D sound, the Bluetooth codecs and the rudimentary app.

The Bose QuietComfort Ultra Earbuds (2nd gen.) are first-class headphones that score highly in almost all important disciplines. The sound is pleasant and rich in detail, and the active noise cancellation works very reliably. The app offers real added value with its many functions and modes...