Dimensions
Size comparison
YU4OB-4
| YU4 | OB-4 | Difference | |
|---|---|---|---|
| Height | 220 mm | 284 mm | −64 mm |
| Width | 140 mm | 232.5 mm | −92.5 mm |
| Depth | 190 mm | 57.5 mm | +132.5 mm |
| Weight | 3,200 g | 1,700 g | +1,500 g |
Drawn to the same scale from the official dimensions (front and side).
Why is YU4 better than OB-4?
- Output power70 W vs 10 W7×
- aptXYes · OB-4: No
Why is OB-4 better than YU4?
- Weight3,200 g vs 1,700 g+88%
- Highest frequency20,000 Hz vs 25,000 Hz+25%
- Lowest frequency60 Hz vs 52 Hz+15%
Specifications
Side by side
| Sound | ||
| Output power | 70 W | 10 W |
| Speaker channels | 2.0 | 2.0 |
| Channel count | 2 | 2 |
| Lowest frequency | 60 Hz | 52 Hz |
| Highest frequency | 20,000 Hz | 25,000 Hz |
| Stereo | Yes | Yes |
| Battery & charging | ||
| Battery life | — | 8 h |
| 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 |
| 3.5 mm jack / AUX | Yes | Yes |
| Optical input | Yes | — |
| Design & build | ||
| Weight | 3,200 g | 1,700 g |
| Width | 140 mm | 232 mm |
| Height | 220 mm | 284 mm |
| Depth | 190 mm | 58 mm |
| Colours | White | — |
