Why is PX8 S2 better than HDB 630?
PX8 S2 has no measurable advantages in this pair.
Why is HDB 630 better than PX8 S2?
- Battery life30 h vs 60 h2×
- Battery life with ANC30 h vs 60 h2×
- Driver size40 mm vs 42 mm+5%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 42 mm |
| Lowest frequency | — | 6 Hz |
| Highest frequency | — | 40,000 Hz |
| Impedance | — | 480 Ω |
| Sensitivity | — | 105 dB |
| Head tracking | Yes | — |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Battery & charging | ||
| Battery life | 30 h | 60 h |
| Battery life with ANC | 30 h | 60 h |
| Battery capacity | — | 630 mAh |
| Charging time | 2 h | 2 h |
| Quick charge (claimed) | — | 10 min → 7 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.2 |
| Bluetooth codecs | aptX Lossless, aptX Adaptive, AAC, SBC | aptX Adaptive, aptX HD, aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | Yes | Yes |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | Yes |
| Design & build | ||
| Weight | 310 g | 311 g |
| Foldable | Yes | Yes |
| Colours | — | Lunar Silver, Black |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
