Dimensions
Size comparison
Xtreme 4Acton III
| Xtreme 4 | Acton III | Difference | |
|---|---|---|---|
| Height | 149 mm | 170 mm | −21 mm |
| Width | 297 mm | 260 mm | +37 mm |
| Depth | 141 mm | 150 mm | −9 mm |
| Weight | 2,100 g | 2,850 g | −750 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Xtreme 4 better than Acton III?
- Output power100 W vs 60 W+67%
- Water resistance (IPx)IPx7 vs IPx0
- Weight2,100 g vs 2,850 g+36%
- Lowest frequency44 Hz vs 45 Hz+2%
Why is Acton III better than Xtreme 4?
Acton III has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Output power | 100 W | 60 W |
| Speaker channels | — | Stereo |
| Lowest frequency | 44 Hz | 45 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Stereo | — | Yes |
| Battery & charging | ||
| Battery life | 24 h | — |
| Charging time | 3.5 h | — |
| Power bank function | Yes | — |
| Mains powered | No | Yes |
| Battery powered (portable) | Yes | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth codecs | SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | — |
| LE Audio | — | Yes |
| 3.5 mm jack / AUX | — | Yes |
| HDMI eARC / ARC | — | Yes |
| Smart & streaming | ||
| Wi-Fi | — | Yes |
| Companion app | — | Yes |
| Design & build | ||
| Weight | 2,100 g | 2,850 g |
| Width | 297 mm | 260 mm |
| Height | 149 mm | 170 mm |
| Depth | 141 mm | 150 mm |
| Protection rating | IP67 | — |
| Water resistance (IPx) | IPx7 | IPx0 |
| Dust protection (IP) | 6 | — |
| Features | ||
| Hands-free calls | Yes | — |
| Party / stereo pairing | Yes | — |
