Dimensions
Size comparison
YU4 Powered SpeakersRockster Air 2
| YU4 Powered Speakers | Rockster Air 2 | Difference | |
|---|---|---|---|
| Height | 220 mm | 589 mm | −369 mm |
| Width | 140 mm | 323 mm | −183 mm |
| Depth | 190 mm | 344 mm | −154 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is YU4 Powered Speakers better than Rockster Air 2?
YU4 Powered Speakers has no measurable advantages in this pair.
Why is Rockster Air 2 better than YU4 Powered Speakers?
- Bluetooth version4 vs 5+25%
- Lowest frequency60 Hz vs 47 Hz+28%
- Highest frequency20,000 Hz vs 22,000 Hz+10%
Specifications
Side by side
| Sound | ||
| Output power | 70 W | — |
| Speaker channels | Stereo | — |
| Lowest frequency | 60 Hz | 47 Hz |
| Highest frequency | 20,000 Hz | 22,000 Hz |
| Hi-Res Audio | Yes | — |
| Stereo | Yes | — |
| Battery & charging | ||
| Battery life | — | 58 h |
| Battery capacity | — | 7,800 mAh |
| Power bank function | Yes | — |
| Mains powered | Yes | Yes |
| Battery powered (portable) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 4 | 5 |
| Bluetooth codecs | — | aptX HD, aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | Yes |
| LDAC | — | No |
| 3.5 mm jack / AUX | Yes | — |
| Optical input | Yes | — |
| Design & build | ||
| Weight | — | 14,150 g |
| Width | 140 mm | 323 mm |
| Height | 220 mm | 589 mm |
| Depth | 190 mm | 344 mm |
| Colours | — | Black |
