vs
6.5Sound2.1
Dimensions
Size comparison
YU4Music Box for Kids
| YU4 | Music Box for Kids | Difference | |
|---|---|---|---|
| Height | 220 mm | 160 mm | +60 mm |
| Width | 140 mm | 150 mm | −10 mm |
| Depth | 190 mm | 150 mm | +40 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is YU4 better than Music Box for Kids?
- Output power70 W vs 4 W20×
- Channel count2 vs 12×
- StereoYes · Music Box for Kids: No
- aptXYes · Music Box for Kids: No
Why is Music Box for Kids better than YU4?
Music Box for Kids has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Output power | 70 W | 4 W |
| Speaker channels | 2.0 | 1.0 |
| Channel count | 2 | 1 |
| Lowest frequency | 60 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Stereo | Yes | No |
| Battery & charging | ||
| Battery life | — | 6 h |
| Battery capacity | — | 1,800 mAh |
| Mains powered | Yes | No |
| Battery powered (portable) | No | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 4 | — |
| Bluetooth codecs | aptX, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | Yes | No |
| LDAC | No | No |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Optical input | Yes | — |
| Design & build | ||
| Weight | 3,200 g | — |
| Width | 140 mm | 150 mm |
| Height | 220 mm | 160 mm |
| Depth | 190 mm | 150 mm |
| Colours | White | Blue, Brown |
| Features | ||
| Hands-free calls | — | Yes |
