Why is PX7 S2e better than ACE?
- Driver size43 mm vs 40 mm+7%
Why is ACE better than PX7 S2e?
- Charging time7 h vs 3 h2.3×
- Bluetooth version5 vs 5.4+8%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | — |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 43 mm | 40 mm |
| Number of drivers | 1 | — |
| Lowest frequency | 10 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 22 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 |
| 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 | 7 h | 3 h |
| Quick charge (claimed) | — | 3 min → 3 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.4 |
| Bluetooth codecs | aptX HD, aptX, 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 | Yes |
| Design & build | ||
| Weight | 307 g | 312 g |
| Foldable | Yes | Yes |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
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