vs
8.9Battery9.8
Dimensions
Size comparison
Kilburn IIIRockster Air 2 Stereo-Set
| Kilburn III | Rockster Air 2 Stereo-Set | Difference | |
|---|---|---|---|
| Height | 150 mm | 589 mm | −439 mm |
| Width | 273 mm | 323 mm | −50 mm |
| Depth | 169 mm | 344 mm | −175 mm |
| Weight | 2,800 g | 14,150 g | −11,350 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Kilburn III better than Rockster Air 2 Stereo-Set?
- Weight2,800 g vs 14,150 g5.1×
- Bluetooth version5.3 vs 5+6%
- Lowest frequency45 Hz vs 47 Hz+4%
Why is Rockster Air 2 Stereo-Set better than Kilburn III?
- Hi-res codec (LDAC / aptX HD / LHDC)No · Kilburn III: Yes
- Battery life50 h vs 58 h+16%
- aptXNo · Kilburn III: Yes
- Highest frequency20,000 Hz vs 22,000 Hz+10%
Specifications
Side by side
| Sound | ||
| Driver type | Dynamic | — |
| Driver size | 101.6 mm | — |
| Output power | 50 W | — |
| Speaker channels | 2.0 | — |
| Channel count | 2 | — |
| Lowest frequency | 45 Hz | 47 Hz |
| Highest frequency | 20,000 Hz | 22,000 Hz |
| Spatial / 3D audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Stereo | Yes | — |
| Battery & charging | ||
| Battery life | 50 h | 58 h |
| Battery capacity | — | 7,800 mAh |
| Charging time | 3 h | — |
| Quick charge (claimed) | 20 min → 8 h | — |
| Fast charging support | Yes | — |
| Power bank function | Yes | — |
| Mains powered | No | Yes |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5 |
| Bluetooth codecs | LC3, AAC, SBC | aptX HD, aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | Yes |
| LDAC | No | No |
| Multipoint (two devices) | Yes | — |
| LE Audio | Yes | — |
| Auracast | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | — |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 2,800 g | 14,150 g |
| Width | 273 mm | 323 mm |
| Height | 150 mm | 589 mm |
| Depth | 169 mm | 344 mm |
| Protection rating | IP54 | — |
| Water resistance (IPx) | IPx4 | — |
| Dust protection (IP) | 5 | — |
| Colours | — | Black |
