vs
4.6Noise control & calls9.3
5.7Battery4.3
9.0Build & features8.3
Why is Endurance Zone better than 4XD1R31390?
- Battery life8 h vs 7 h+14%
- Water resistance (IPx)IPx8 vs IPx5+60%
- Driver size18 mm vs 12.2 mm+48%
- Dust protection (IP)6 vs 5+20%
Why is 4XD1R31390 better than Endurance Zone?
- Active noise cancellingNo · Endurance Zone: Yes
- Charging time2 h vs 1 h2×
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 18 mm | 12.2 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 32 Ω | 16 Ω |
| Sensitivity | 105 dB | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Microphones | 4 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 8 h | 7 h |
| Battery life with ANC | — | 4 h |
| Total with charging case | 32 h | — |
| Charging time | 2 h | 1 h |
| Quick charge (claimed) | 10 min → 3 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | — | 47 g |
| Earbud weight (each) | 10 g | — |
| Protection rating | IP68 | IP55 |
| Water resistance (IPx) | IPx8 | IPx5 |
| Dust protection (IP) | 6 | 5 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
