Why is YU4 better than SP0057?
- Output power70 W vs 5 W14×
- aptXYes · SP0057: No
Why is SP0057 better than YU4?
- Weight3,200 g vs 178 g18×
- Lowest frequency60 Hz vs 20 Hz3×
- Bluetooth version4 vs 5+25%
Specifications
Side by side
| Sound | ||
| Output power | 70 W | 5 W |
| Speaker channels | 2.0 | — |
| Channel count | 2 | — |
| Lowest frequency | 60 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Stereo | Yes | — |
| Battery & charging | ||
| Battery life | — | 7 h |
| Charging time | — | 2.5 h |
| Mains powered | Yes | No |
| Battery powered (portable) | No | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 4 | 5 |
| Bluetooth codecs | aptX, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | Yes | No |
| LDAC | No | No |
| 3.5 mm jack / AUX | Yes | Yes |
| Optical input | Yes | — |
| Design & build | ||
| Weight | 3,200 g | 178 g |
| Width | 140 mm | 93 mm |
| Height | 220 mm | 30 mm |
| Depth | 190 mm | 76 mm |
| Colours | White | Black |
| Features | ||
| Hands-free calls | — | Yes |
