vs
4.3Sound7.5
5.6Battery8.8
Dimensions
Size comparison
bel-sonoStockwell III
| bel-sono | Stockwell III | Difference | |
|---|---|---|---|
| Height | 100 mm | 181 mm | −81 mm |
| Width | 220 mm | 150 mm | +70 mm |
| Depth | 90 mm | 72 mm | +18 mm |
| Weight | 717 g | 1,300 g | −583 g |
Drawn to the same scale from the official dimensions (front and side).
Why is bel-sono better than Stockwell III?
- Weight717 g vs 1,300 g+81%
Why is Stockwell III better than bel-sono?
- Battery life16 h vs 40 h2.5×
- Output power10 W vs 127 W12.7×
- Charging time4 h vs 3 h+33%
Specifications
Side by side
| Sound | ||
| Driver type | — | Dynamic |
| Driver size | — | 76.2 mm |
| Output power | 10 W | 127 W |
| Speaker channels | 2.0 | Stereo |
| Channel count | 2 | — |
| Lowest frequency | — | 54 Hz |
| Highest frequency | — | 20,000 Hz |
| Adjustable equaliser | — | Yes |
| Stereo | Yes | Yes |
| Battery & charging | ||
| Battery life | 16 h | 40 h |
| Charging time | 4 h | 3 h |
| Quick charge (claimed) | — | 20 min → 7 h |
| Fast charging support | — | Yes |
| Power bank function | — | Yes |
| Mains powered | No | — |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5.3 |
| Bluetooth codecs | SBC | LC3, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | — | Yes |
| LE Audio | — | Yes |
| Auracast | — | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | — | Yes |
| Optical input | Yes | — |
| Design & build | ||
| Weight | 717 g | 1,300 g |
| Width | 220 mm | 150 mm |
| Height | 100 mm | 181 mm |
| Depth | 90 mm | 72 mm |
| Protection rating | — | IP55 |
| Water resistance (IPx) | — | IPx5 |
| Dust protection (IP) | — | 5 |
| Colours | Grey | — |
| Features | ||
| Party / stereo pairing | Yes | — |







