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Dimensions
Size comparison
Professional GPB 18V-1 CStormBox 2
| Professional GPB 18V-1 C | StormBox 2 | Difference | |
|---|---|---|---|
| Height | 162 mm | 69 mm | +93 mm |
| Width | 122 mm | 180 mm | −58 mm |
| Depth | 97 mm | 69 mm | +28 mm |
| Weight | 700 g | 700 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is Professional GPB 18V-1 C better than StormBox 2?
Professional GPB 18V-1 C has no measurable advantages in this pair.
Why is StormBox 2 better than Professional GPB 18V-1 C?
StormBox 2 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Output power | — | 34 W |
| Speaker channels | — | 2.0 |
| Channel count | — | 2 |
| Lowest frequency | — | 70 Hz |
| Highest frequency | — | 20,000 Hz |
| Spatial / 3D audio | — | Yes |
| Stereo | Yes | Yes |
| Battery & charging | ||
| Battery life | — | 24 h |
| Battery capacity | — | 5,200 mAh |
| Charging time | — | 4 h |
| Power bank function | Yes | — |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.3 |
| Bluetooth codecs | — | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | — | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Weight | 700 g | 700 g |
| Width | 122 mm | 180 mm |
| Height | 162 mm | 69 mm |
| Depth | 97 mm | 69 mm |
| Protection rating | — | IPX7 |
| Water resistance (IPx) | — | IPx7 |
| Colours | Blue | — |
| Features | ||
| Hands-free calls | — | Yes |
| Party / stereo pairing | Yes | — |
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