Why is Sleep A20 better than Sport X20?
- Battery life14 h vs 12 h+17%
- Earbud weight (each)3 g vs 6.5 g2.2×
- Charging time1.5 h vs 3 h2×
Why is Sport X20 better than Sleep A20?
- Water resistance (IPx)IPx4 vs IPx82×
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver type | — | Dynamic |
| Driver size | — | 11 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | 16 Ω |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | — | 6 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 14 h | 12 h |
| Battery life with ANC | — | 7 h |
| Total with charging case | — | 48 h |
| Charging time | 1.5 h | 3 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 3 g | 6.5 g |
| Protection rating | IPX4 | IP68 |
| Water resistance (IPx) | IPx4 | IPx8 |
| Dust protection (IP) | — | 6 |
| Colours | — | Black, White, Green |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | — | Yes |
