vs
4.0Battery2.4
Why is Onyx Studio 9 better than FVA51K?
- Battery life8 h vs 6 h+33%
- Battery capacity4,722 mAh vs 2,000 mAh2.4×
Why is FVA51K better than Onyx Studio 9?
FVA51K has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Output power | 50 W | — |
| Speaker channels | Stereo | — |
| Lowest frequency | 50 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Stereo | Yes | — |
| Battery & charging | ||
| Battery life | 8 h | 6 h |
| Battery capacity | 4,722 mAh | 2,000 mAh |
| Charging time | 4 h | — |
| Power bank function | Yes | — |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | — |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Auracast | Yes | — |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Weight | 3,300 g | — |
| Width | 389 mm | — |
| Height | 388 mm | — |
| Depth | 130 mm | — |
| Protection rating | — | IP67 |
| Water resistance (IPx) | — | IPx7 |
| Dust protection (IP) | — | 6 |
| Colours | Black | Black |
| Features | ||
| Hands-free calls | Yes | — |
| Party / stereo pairing | Yes | — |
