Why is SP-S15BT better than MZ-4?
- Lowest frequency20 Hz vs 100 Hz5×
- Water resistance (IPx)IPx5 vs IPx4+25%
- Bluetooth version5.2 vs 5+4%
- Highest frequency20,000 Hz vs 16,000 Hz+25%
Why is MZ-4 better than SP-S15BT?
- Battery life20 h vs 26 h+30%
Specifications
Side by side
| Sound | ||
| Output power | — | 5 W |
| Lowest frequency | 20 Hz | 100 Hz |
| Highest frequency | 20,000 Hz | 16,000 Hz |
| Battery & charging | ||
| Battery life | 20 h | 26 h |
| Battery capacity | — | 1,200 mAh |
| Mains powered | — | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5 |
| Bluetooth codecs | — | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Width | — | 93 mm |
| Height | — | 95 mm |
| Depth | — | 48 mm |
| Protection rating | IPX5 | IPX4 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Features | ||
| Hands-free calls | — | Yes |
| Party / stereo pairing | Yes | — |
| Light effects | Yes | — |
