Why is BSP-4 better than SP-S15BT?
BSP-4 has no measurable advantages in this pair.
Why is SP-S15BT better than BSP-4?
- Battery life4 h vs 20 h5×
- Bluetooth version5 vs 5.2+4%
Specifications
Side by side
| Sound | ||
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Battery & charging | ||
| Battery life | 4 h | 20 h |
| Battery capacity | 1,200 mAh | — |
| Charging time | 3 h | — |
| Mains powered | No | — |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.2 |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | — | Yes |
| Design & build | ||
| Width | 114 mm | — |
| Height | 51 mm | — |
| Depth | 93 mm | — |
| Protection rating | — | IPX5 |
| Water resistance (IPx) | — | IPx5 |
| Features | ||
| Party / stereo pairing | — | Yes |
| Light effects | — | Yes |
