Why is D20 better than SP0057?
- Output power6 W vs 5 W+20%
Why is SP0057 better than D20?
- Weight820 g vs 178 g4.6×
Specifications
Side by side
| Sound | ||
| Output power | 6 W | 5 W |
| Speaker channels | 2.0 | — |
| Channel count | 2 | — |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Stereo | Yes | — |
| Battery & charging | ||
| Battery life | — | 7 h |
| Charging time | — | 2.5 h |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 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 |
| Design & build | ||
| Weight | 820 g | 178 g |
| Width | 123 mm | 93 mm |
| Height | 183 mm | 30 mm |
| Depth | 145 mm | 76 mm |
| Colours | Black, Blue | Black |
| Features | ||
| Hands-free calls | — | Yes |









