Why is Hi-X55 better than PX7 S2e?
- Lowest frequency5 Hz vs 10 Hz2×
- Highest frequency28,000 Hz vs 20,000 Hz+40%
Why is PX7 S2e better than Hi-X55?
- Active noise cancellingNo · Hi-X55: Yes
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 43 mm |
| Number of drivers | — | 1 |
| Lowest frequency | 5 Hz | 10 Hz |
| Highest frequency | 28,000 Hz | 20,000 Hz |
| Impedance | 25 Ω | 22 Ω |
| Sensitivity | 118 dB | — |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | — | 30 h |
| Battery life with ANC | — | 30 h |
| Charging time | — | 7 h |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5 |
| Bluetooth codecs | — | aptX HD, aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | Yes |
| LDAC | — | No |
| Multipoint (two devices) | — | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Weight | 305 g | 307 g |
| Foldable | Yes | Yes |
| Colours | Grey | — |
| Features | ||
| Hands-free calls | — | Yes |
