Bowers & Wilkins Px8 S2 VS Sennheiser HDB 630

Both the Bowers & Wilkins Px8 S2 and Sennheiser HDB 630 are designed as over-ear headphones, providing a similar fit for extended comfort. The weight of the Px8 S2 is 310 g, while the HDB 630 is slightly heavier at 311 g, with only a minimal difference between them.

In terms of build and portability, both headphones feature a detachable cable and can be folded for easier storage. They both include a travel bag, which makes them travel-friendly. Additionally, both models are equipped with a tangle-free cable (1.2 m in length) to reduce hassle while on the go. Neither headphone features an open-back design, ensuring a more closed, insulated sound experience. Both models are also designed for adults, as neither is specifically intended for kids.

Both headphones come with stereo speakers, providing standard audio output, though the specifications regarding the overall sound quality are not compared here. Overall, the design aspects of the Px8 S2 and HDB 630 show a strong similarity with only the smallest differences in weight.

The Bowers & Wilkins Px8 S2 and Sennheiser HDB 630 have some key differences in sound-related features. The Px8 S2 supports active noise cancellation (ANC), providing an enhanced listening experience by reducing ambient noise, while the HDB 630 does not include ANC.

In terms of driver unit size, the Px8 S2 features a 40 mm driver, slightly smaller than the 42 mm driver found in the HDB 630. This difference in size may have an impact on their audio performance, although no specific audio characteristics are provided here. The Px8 S2 also supports spatial audio, which can provide a more immersive sound experience, whereas the HDB 630 does not have this feature.

Both headphones feature passive noise reduction, which helps block out some external noise without the need for electronic noise cancellation. Neither model uses a neodymium magnet, which is typically found in high-end audio drivers for enhancing sound quality, though this spec is the same for both products.

The Bowers & Wilkins Px8 S2 and Sennheiser HDB 630 both feature USB Type-C ports for charging, and both have a battery level indicator to keep track of remaining power. Neither model supports wireless charging, and neither includes a solar power battery.

In terms of battery life, the Px8 S2 offers 30 hours of playback, while the HDB 630 provides a significantly longer 60 hours of battery life, which may be a key factor for users looking for longer usage between charges.

Both models come with a rechargeable battery, but neither has a removable battery, limiting flexibility in terms of battery replacement or swapping.

The Bowers & Wilkins Px8 S2 and Sennheiser HDB 630 both offer wireless and wired connectivity options, providing flexibility in how they connect to devices. The Px8 S2 uses Bluetooth version 5.3, while the HDB 630 uses Bluetooth version 5.2, which is a slight difference in version but should not have a noticeable impact on general connectivity.

Both models support aptX and aptX HD for high-quality audio streaming, but the Px8 S2 also supports aptX Adaptive and aptX Lossless, offering a broader range of high-quality audio codecs, whereas the HDB 630 lacks support for aptX Lossless. Neither headphone supports LDAC, LDHC, or Bluetooth LE Audio. Additionally, the Px8 S2 has Auracast support, which the HDB 630 does not.

Both headphones offer a maximum Bluetooth range of 10 meters, ensuring a good wireless connection over a reasonable distance. The Px8 S2 includes fast pairing, making it quicker to connect to devices, while the HDB 630 does not have this feature. Neither model supports Bluetooth pairing using NFC.

The Bowers & Wilkins Px8 S2 and Sennheiser HDB 630 have several similar features, but with a key difference in ambient sound mode. The Px8 S2 includes an ambient sound mode, which allows external sounds to be heard for a more situational awareness experience, while the HDB 630 does not have this feature.

Both models lack in/on-ear detection and a mute function, so you will need to manually control these features on your device or through other settings. However, both headphones can be used as a headset, making them suitable for calls and voice communication. Neither model comes with an in-line control panel, so volume and playback must be managed via connected devices or other controls.

In summary, the most notable difference between these two models in this group is the presence of ambient sound mode on the Px8 S2, while the HDB 630 lacks this feature. Both share similarities in terms of headset capability and lack of additional physical controls.