vs
6.8Sound6.2
8.9Battery8.4
4.9Connectivity5.9
2.4Build & features5.5
Dimensions
Size comparison
Kilburn IIIMiddleton II
| Kilburn III | Middleton II | Difference | |
|---|---|---|---|
| Height | 150 mm | 110 mm | +40 mm |
| Width | 273 mm | 230 mm | +43 mm |
| Depth | 169 mm | 98 mm | +71 mm |
| Weight | 2,800 g | 1,800 g | +1,000 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Kilburn III better than Middleton II?
- Battery life50 h vs 30 h+67%
- Output power50 W vs 40 W+25%
- Driver size101.6 mm vs 76.2 mm+33%
Why is Middleton II better than Kilburn III?
- Water resistance (IPx)IPx4 vs IPx7+75%
- Weight2,800 g vs 1,800 g+56%
- Dust protection (IP)5 vs 6+20%
Specifications
Side by side
| Sound | ||
| Driver type | Dynamic | Neodymium |
| Driver size | 101.6 mm | 76.2 mm |
| Output power | 50 W | 40 W |
| Speaker channels | 2.0 | 2.0 |
| Channel count | 2 | 2 |
| Lowest frequency | 45 Hz | 45 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Spatial / 3D audio | Yes | Yes |
| Adjustable equaliser | Yes | — |
| Stereo | Yes | Yes |
| Battery & charging | ||
| Battery life | 50 h | 30 h |
| Charging time | 3 h | 3 h |
| Quick charge (claimed) | 20 min → 8 h | 20 min → 10 h |
| Fast charging support | Yes | Yes |
| Power bank function | Yes | Yes |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | LC3, AAC, SBC | LC3, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | Yes |
| Auracast | Yes | — |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | Yes |
| Design & build | ||
| Weight | 2,800 g | 1,800 g |
| Width | 273 mm | 230 mm |
| Height | 150 mm | 110 mm |
| Depth | 169 mm | 98 mm |
| Protection rating | IP54 | IP67 |
| Water resistance (IPx) | IPx4 | IPx7 |
| Dust protection (IP) | 5 | 6 |
| Features | ||
| Hands-free calls | — | Yes |
