Dimensions
Size comparison
BSP-4SP0057
| BSP-4 | SP0057 | Difference | |
|---|---|---|---|
| Height | 51 mm | 30 mm | +21 mm |
| Width | 114 mm | 93 mm | +21 mm |
| Depth | 93 mm | 76 mm | +17 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is BSP-4 better than SP0057?
BSP-4 has no measurable advantages in this pair.
Why is SP0057 better than BSP-4?
- Battery life4 h vs 7 h+75%
- Charging time3 h vs 2.5 h+20%
Specifications
Side by side
| Sound | ||
| Output power | — | 5 W |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Battery & charging | ||
| Battery life | 4 h | 7 h |
| Battery capacity | 1,200 mAh | — |
| Charging time | 3 h | 2.5 h |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5 |
| Bluetooth codecs | SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | — | Yes |
| Design & build | ||
| Weight | — | 178 g |
| Width | 114 mm | 93 mm |
| Height | 51 mm | 30 mm |
| Depth | 93 mm | 76 mm |
| Colours | — | Black |
| Features | ||
| Hands-free calls | — | Yes |
