Why is SP-S15BT better than MDZ-37-DB?
- Battery life20 h vs 10 h2×
- Lowest frequency20 Hz vs 100 Hz5×
Why is MDZ-37-DB better than SP-S15BT?
- Water resistance (IPx)IPx5 vs IPx7+40%
- Bluetooth version5.2 vs 5.4+4%
Specifications
Side by side
| Sound | ||
| Output power | — | 5 W |
| Speaker channels | — | Stereo |
| Lowest frequency | 20 Hz | 100 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Stereo | — | Yes |
| Battery & charging | ||
| Battery life | 20 h | 10 h |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.4 |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Width | — | 74 mm |
| Height | — | 91 mm |
| Depth | — | 43 mm |
| Protection rating | IPX5 | IP67 |
| Water resistance (IPx) | IPx5 | IPx7 |
| Dust protection (IP) | — | 6 |
| Features | ||
| Hands-free calls | — | Yes |
| Party / stereo pairing | Yes | Yes |
| Light effects | Yes | — |








