Dimensions
Size comparison
UBOOM LYU4
| UBOOM L | YU4 | Difference | |
|---|---|---|---|
| Height | 72 mm | 220 mm | −148 mm |
| Width | 210 mm | 140 mm | +70 mm |
| Depth | 78 mm | 190 mm | −112 mm |
| Weight | 650 g | 3,200 g | −2,550 g |
Drawn to the same scale from the official dimensions (front and side).
Why is UBOOM L better than YU4?
- Weight650 g vs 3,200 g4.9×
- Bluetooth version5 vs 4+25%
Why is YU4 better than UBOOM L?
- Output power28 W vs 70 W2.5×
Specifications
Side by side
| Sound | ||
| Driver size | 55 mm | — |
| Output power | 28 W | 70 W |
| Speaker channels | — | 2.0 |
| Channel count | — | 2 |
| Lowest frequency | — | 60 Hz |
| Highest frequency | — | 20,000 Hz |
| Stereo | — | Yes |
| Battery & charging | ||
| Battery life | 16 h | — |
| Battery capacity | 2,600 mAh | — |
| Charging time | 4 h | — |
| Mains powered | — | Yes |
| Battery powered (portable) | Yes | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 4 |
| Bluetooth codecs | — | aptX, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | Yes |
| LDAC | — | No |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Optical input | — | Yes |
| Design & build | ||
| Weight | 650 g | 3,200 g |
| Width | 210 mm | 140 mm |
| Height | 72 mm | 220 mm |
| Depth | 78 mm | 190 mm |
| Protection rating | IP67 | — |
| Water resistance (IPx) | IPx7 | — |
| Dust protection (IP) | 6 | — |
| Floats | Yes | — |
| Colours | — | White |
| Features | ||
| Hands-free calls | Yes | — |
| Party / stereo pairing | Yes | — |









