Why is P42i better than Sport X20?
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · Sport X20: No
- Charging time1 h vs 3 h3×
- Battery life with ANC8.5 h vs 7 h+21%
- Highest frequency40,000 Hz vs 20,000 Hz2×
- LDACYes · Sport X20: No
- Total with charging case56 h vs 48 h+17%
- Bluetooth version6.1 vs 5.3+15%
- Earbud weight (each)4.4 g vs 6.5 g+48%
Why is Sport X20 better than P42i?
- Water resistance (IPx)IPx5 vs IPx8+60%
- Dust protection (IP)5 vs 6+20%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | 11 mm | 11 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | 14 Ω | 16 Ω |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Microphones | 6 | 6 |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 12 h | 12 h |
| Battery life with ANC | 8.5 h | 7 h |
| Total with charging case | 56 h | 48 h |
| Charging time | 1 h | 3 h |
| Quick charge (claimed) | 10 min → 3.5 h | — |
| Fast charging support | Yes | Yes |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6.1 | 5.3 |
| Bluetooth codecs | LDAC, AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | No |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 4.4 g | 6.5 g |
| Protection rating | IP55 | IP68 |
| Water resistance (IPx) | IPx5 | IPx8 |
| Dust protection (IP) | 5 | 6 |
| Colours | Black, Oat White, Navy Blue, Purple | Black, White, Green |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | Yes |









