Dimensions
Size comparison
D20MZ-4
| D20 | MZ-4 | Difference | |
|---|---|---|---|
| Height | 183 mm | 95 mm | +88 mm |
| Width | 123 mm | 93 mm | +30 mm |
| Depth | 145 mm | 48 mm | +97 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is D20 better than MZ-4?
- Output power6 W vs 5 W+20%
Why is MZ-4 better than D20?
MZ-4 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Output power | 6 W | 5 W |
| Speaker channels | 2.0 | — |
| Channel count | 2 | — |
| Lowest frequency | — | 100 Hz |
| Highest frequency | — | 16,000 Hz |
| Stereo | Yes | — |
| Battery & charging | ||
| Battery life | — | 26 h |
| Battery capacity | — | 1,200 mAh |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5 |
| Bluetooth codecs | SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Design & build | ||
| Weight | 820 g | — |
| Width | 123 mm | 93 mm |
| Height | 183 mm | 95 mm |
| Depth | 145 mm | 48 mm |
| Protection rating | — | IPX4 |
| Water resistance (IPx) | — | IPx4 |
| Colours | Black, Blue | — |
| Features | ||
| Hands-free calls | — | Yes |
