vs
9.3Noise control & calls7.2
4.1Battery3.8
Why is X3 Pro better than FoKus Rex5?
- Battery life with ANC6 h vs 5 h+20%
Why is FoKus Rex5 better than X3 Pro?
- Hi-res codec (LDAC / aptX HD / LHDC)No · X3 Pro: Yes
- Highest frequency20,000 Hz vs 40,000 Hz2×
- aptXNo · X3 Pro: Yes
- LDACNo · X3 Pro: Yes
- Driver size8 mm vs 10 mm+25%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Hybrid |
| Driver size | 8 mm | 10 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 40,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | 92 dB | 104 dB |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | 7 h | 7 h |
| Battery life with ANC | 6 h | 5 h |
| Total with charging case | 22 h | — |
| Charging time | 1.5 h | — |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | SBC | LDAC, aptX Adaptive, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | Yes |
| LDAC | No | Yes |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Protection rating | IP54 | — |
| Water resistance (IPx) | IPx4 | — |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
