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Why is alphatronicsSound S40 Mobile DAB better than K2?
- Bluetooth version5 vs 3+67%
Why is K2 better than alphatronicsSound S40 Mobile DAB?
- SubwooferNone vs Wireless subwoofer included
- Channel count2 vs 2.1+5%
Specifications
Side by side
| Sound | ||
| Output power | — | 150 W |
| Speaker channels | 2.0 | 2.1 |
| Channel count | 2 | 2.1 |
| Subwoofer | None | Wireless subwoofer included |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Adjustable equaliser | — | Yes |
| Stereo | Yes | Yes |
| Battery & charging | ||
| Battery life | 12 h | — |
| Battery capacity | 2,200 mAh | — |
| Charging time | 2.5 h | — |
| Mains powered | Yes | Yes |
| Battery powered (portable) | Yes | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 3 |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| HDMI eARC / ARC | Yes | Yes |
| Optical input | — | Yes |
| Design & build | ||
| Width | 460 mm | 762 mm |
| Height | — | 53 mm |
| Depth | — | 69 mm |
| Colours | — | White |
| Features | ||
| Remote control | Yes | Yes |
| Placement | an der Wand, unter dem Fernseher | an der Wand, vor dem Fernseher |
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