Why is SP-S15BT better than F4?
SP-S15BT has no measurable advantages in this pair.
Why is F4 better than SP-S15BT?
- Bluetooth version5.2 vs 5.4+4%
Specifications
Side by side
| Sound | ||
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Battery & charging | ||
| Battery life | 20 h | — |
| Mains powered | — | No |
| Battery powered (portable) | Yes | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.4 |
| 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 | ||
| Protection rating | IPX5 | IPX5 |
| Water resistance (IPx) | IPx5 | IPx5 |
| Features | ||
| Party / stereo pairing | Yes | — |
| Light effects | Yes | — |
