Why is QS20 better than SP0057?
- Output power6 W vs 5 W+20%
- Bluetooth version6 vs 5+20%
Why is SP0057 better than QS20?
- Weight327 g vs 178 g+84%
- Lowest frequency87 Hz vs 20 Hz4.4×
Specifications
Side by side
| Sound | ||
| Driver size | 43 mm | — |
| Output power | 6 W | 5 W |
| Lowest frequency | 87 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Battery & charging | ||
| Battery life | — | 7 h |
| Charging time | — | 2.5 h |
| Mains powered | — | No |
| Battery powered (portable) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 5 |
| Bluetooth codecs | SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 327 g | 178 g |
| Width | — | 93 mm |
| Height | — | 30 mm |
| Depth | — | 76 mm |
| Colours | — | Black |
| Features | ||
| Hands-free calls | — | Yes |
