Why is Rail better than Sport X20?
Rail has no measurable advantages in this pair.
Why is Sport X20 better than Rail?
- Battery life9 h vs 12 h+33%
- Water resistance (IPx)IPx5 vs IPx8+60%
- Driver size6 mm vs 11 mm+83%
- Dust protection (IP)5 vs 6+20%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver type | — | Dynamic |
| Driver size | 6 mm | 11 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | 100 dB | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | Yes | Yes |
| Microphones | — | 6 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 9 h | 12 h |
| Battery life with ANC | — | 7 h |
| Total with charging case | — | 48 h |
| Charging time | — | 3 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.3 |
| Bluetooth codecs | — | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Weight | 49 g | — |
| Earbud weight (each) | — | 6.5 g |
| Protection rating | IP55 | IP68 |
| Water resistance (IPx) | IPx5 | IPx8 |
| Dust protection (IP) | 5 | 6 |
| Colours | — | Black, White, Green |
| Features | ||
| Hands-free calls | Yes | Yes |
