Why is PX8 better than ACE?
- Charging time2 h vs 3 h+50%
Why is ACE better than PX8?
- Bluetooth version5.2 vs 5.4+4%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | — |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 40 mm |
| Impedance | 33 Ω | 24 Ω |
| Spatial / 3D audio | — | Yes |
| Head tracking | — | Yes |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | Yes |
| Battery & charging | ||
| Battery life | 30 h | 30 h |
| Battery life with ANC | 30 h | 30 h |
| Battery capacity | — | 1,060 mAh |
| Charging time | 2 h | 3 h |
| Quick charge (claimed) | — | 3 min → 3 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.4 |
| Bluetooth codecs | aptX Adaptive, aptX HD, AAC, SBC | aptX Lossless |
| 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 |
| Design & build | ||
| Weight | — | 312 g |
| Foldable | Yes | Yes |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
