Why is FVA51K better than ISIBOX 1?
FVA51K has no measurable advantages in this pair.
Why is ISIBOX 1 better than FVA51K?
- Battery capacity2,000 mAh vs 2,800 mAh+40%
Specifications
Side by side
| Sound | ||
| Output power | — | 4 W |
| Speaker channels | — | 2.0 |
| Channel count | — | 2 |
| Adjustable equaliser | — | Yes |
| Stereo | — | Yes |
| Battery & charging | ||
| Battery life | 6 h | 6 h |
| Battery capacity | 2,000 mAh | 2,800 mAh |
| Charging time | — | 4 h |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | — | Yes |
| Optical input | — | Yes |
| Design & build | ||
| Weight | — | 757 g |
| Width | — | 185 mm |
| Height | — | 115 mm |
| Depth | — | 100 mm |
| Protection rating | IP67 | — |
| Water resistance (IPx) | IPx7 | — |
| Dust protection (IP) | 6 | — |
| Colours | Black | Black |
