Why is BK92 better than X3 Pro?
BK92 has no measurable advantages in this pair.
Why is X3 Pro better than BK92?
- Active noise cancellingNo · BK92: Yes
- Charging time4.5 h vs 1.5 h3×
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver size | — | 8 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Sensitivity | — | 92 dB |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Battery & charging | ||
| Battery life | — | 7 h |
| Battery life with ANC | — | 6 h |
| Total with charging case | — | 22 h |
| Battery capacity | 200 mAh | — |
| Charging time | 4.5 h | 1.5 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | — | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| USB-C | Yes | Yes |
| Design & build | ||
| Protection rating | IPX4 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | — | 5 |
| Colours | White, Blue | — |









