Bose QuietComfort Ultra Headphones (2nd Gen) VS Sennheiser HDB 630

The Bose QuietComfort Ultra Headphones (2nd Gen) and Sennheiser HDB 630 are both over-ear headphones, providing a similar fit for comfortable listening. However, the Bose headphones are lighter, weighing 265 g, while the Sennheiser model is slightly heavier at 311 g.

Both models feature a detachable cable, are foldable, and include tangle-free cables, offering convenience for storage and use. Neither product offers water resistance, and both lack an open-back design. Both also include stereo speakers for a rich sound experience.

Neither headphone model is designed specifically for kids, as indicated by their lack of design targeting younger users.

The Bose QuietComfort Ultra Headphones (2nd Gen) include active noise cancellation (ANC), which the Sennheiser HDB 630 lacks. This gives the Bose headphones an edge in blocking external sounds for a more immersive experience. In terms of frequency range, the Bose headphones have a lowest frequency of 20 Hz and a highest frequency of 20,000 Hz, while the Sennheiser model has a broader frequency range, with a lowest frequency of 6 Hz and a highest frequency of 22,000 Hz.

Both products feature passive noise reduction, helping to reduce unwanted noise even without active noise cancellation. In terms of driver size, the Bose QuietComfort Ultra Headphones (2nd Gen) have a 40 mm driver unit, while the Sennheiser HDB 630 has a slightly larger 42 mm driver unit.

Additionally, the Bose headphones support spatial audio, offering a more immersive sound experience, while the Sennheiser HDB 630 does not support this feature.

The Bose QuietComfort Ultra Headphones (2nd Gen) and the Sennheiser HDB 630 both feature rechargeable batteries, but their battery life differs significantly. The Bose model offers 30 hours of battery life, while the Sennheiser headphones provide a much longer 60 hours of use.

Both headphones come with a USB Type-C port for charging and have a battery level indicator to let users know when it’s time to recharge. Neither model supports wireless charging or solar power for recharging.

Additionally, both products have a non-removable rechargeable battery, with no option for users to replace the battery themselves.

The Bose QuietComfort Ultra Headphones (2nd Gen) and the Sennheiser HDB 630 both offer wireless and wired connectivity options. The Bose model supports Bluetooth version 5.4, while the Sennheiser model uses Bluetooth version 5.2, with the Bose headphones having a slightly more recent Bluetooth version.

Both products feature aptX Adaptive for high-quality wireless audio, but the Sennheiser headphones also support aptX, aptX HD, and AAC, giving it more codec options compared to the Bose model, which lacks aptX and AAC support.

In terms of Bluetooth range, both headphones provide a maximum range of 10 meters. Neither model supports Bluetooth pairing using NFC or features any advanced Bluetooth codecs like LDAC, LDHC, or Bluetooth LE Audio.

The Bose QuietComfort Ultra Headphones (2nd Gen) and the Sennheiser HDB 630 differ in several key features. The Bose headphones include ambient sound mode, allowing users to hear their surroundings while listening, while the Sennheiser model does not have this feature. Additionally, the Bose headphones support in/on-ear detection, automatically pausing music when the headphones are removed, which is not available on the Sennheiser model.

Both products can be used as headsets for calls, offering this functionality. Neither model has a mute function or an in-line control panel, making their control methods more limited in that regard.

Overall, the Bose QuietComfort Ultra Headphones (2nd Gen) offer a couple of extra convenience features, such as ambient sound mode and in/on-ear detection, which the Sennheiser HDB 630 lacks.