vs
Dimensions
Size comparison
ORA4Kilburn III
| ORA4 | Kilburn III | Difference | |
|---|---|---|---|
| Height | 210 mm | 150 mm | +60 mm |
| Width | 120 mm | 273 mm | −153 mm |
| Depth | 170 mm | 169 mm | +1 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is ORA4 better than Kilburn III?
- Output power70 W vs 50 W+40%
- Highest frequency22,000 Hz vs 20,000 Hz+10%
Why is Kilburn III better than ORA4?
- Bluetooth version5 vs 5.3+6%
- Lowest frequency60 Hz vs 45 Hz+33%
Specifications
Side by side
| Sound | ||
| Driver type | — | Dynamic |
| Driver size | — | 101.6 mm |
| Output power | 70 W | 50 W |
| Speaker channels | — | 2.0 |
| Channel count | — | 2 |
| Lowest frequency | 60 Hz | 45 Hz |
| Highest frequency | 22,000 Hz | 20,000 Hz |
| Spatial / 3D audio | — | Yes |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | — | Yes |
| Stereo | — | Yes |
| Battery & charging | ||
| Battery life | — | 50 h |
| Charging time | — | 3 h |
| Quick charge (claimed) | — | 20 min → 8 h |
| Fast charging support | — | Yes |
| Power bank function | — | Yes |
| Mains powered | Yes | No |
| Battery powered (portable) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.3 |
| Bluetooth codecs | — | LC3, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Multipoint (two devices) | — | Yes |
| LE Audio | — | Yes |
| Auracast | — | Yes |
| USB-C | — | Yes |
| USB audio | Yes | — |
| 3.5 mm jack / AUX | — | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Weight | — | 2,800 g |
| Width | 120 mm | 273 mm |
| Height | 210 mm | 150 mm |
| Depth | 170 mm | 169 mm |
| Protection rating | — | IP54 |
| Water resistance (IPx) | — | IPx4 |
| Dust protection (IP) | — | 5 |
