vs
6.1Noise control & calls9.3
4.0Battery4.3
8.5Build & features8.3
Why is Aurvana Ace better than 4XD1R31390?
- Lowest frequency5 Hz vs 20 Hz4×
- Highest frequency40,000 Hz vs 20,000 Hz2×
Why is 4XD1R31390 better than Aurvana Ace?
- Battery life6 h vs 7 h+17%
- Driver size10 mm vs 12.2 mm+22%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 10 mm | 12.2 mm |
| Lowest frequency | 5 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | — | 16 Ω |
| Hi-Res Audio | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | — |
| Microphones | 6 | — |
| Battery & charging | ||
| Battery life | 6 h | 7 h |
| Battery life with ANC | 4 h | 4 h |
| Total with charging case | 24 h | — |
| Battery capacity | 52 mAh | — |
| Charging time | 1 h | 1 h |
| Quick charge (claimed) | 10 min → 1 h | — |
| Fast charging support | Yes | — |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | aptX Adaptive, aptX, LC3, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | Yes | — |
| LDAC | No | — |
| Multipoint (two devices) | — | Yes |
| LE Audio | Yes | — |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Companion app | Yes | — |
| Design & build | ||
| Weight | — | 47 g |
| Earbud weight (each) | 4.7 g | — |
| Protection rating | IPX5 | IP55 |
| Water resistance (IPx) | IPx5 | IPx5 |
| Dust protection (IP) | — | 5 |
| Colours | Black | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
