Why is SP-WS04BT better than FVA51K?
- Battery life15 h vs 6 h2.5×
Why is FVA51K better than SP-WS04BT?
FVA51K has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Output power | 20 W | — |
| Speaker channels | Stereo | — |
| Stereo | Yes | — |
| Battery & charging | ||
| Battery life | 15 h | 6 h |
| Battery capacity | — | 2,000 mAh |
| Mains powered | — | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | — |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Width | 166 mm | — |
| Height | 102 mm | — |
| Depth | 50 mm | — |
| Protection rating | IP67 | IP67 |
| Water resistance (IPx) | IPx7 | IPx7 |
| Dust protection (IP) | 6 | 6 |
| Colours | — | Black |
| Features | ||
| Party / stereo pairing | Yes | — |
