Dimensions
Size comparison
Acton IIIP4
| Acton III | P4 | Difference | |
|---|---|---|---|
| Height | 170 mm | 322 mm | −152 mm |
| Width | 260 mm | 395 mm | −135 mm |
| Depth | 150 mm | 140 mm | +10 mm |
| Weight | 2,850 g | 2,690 g | +160 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Acton III better than P4?
- StereoYes · P4: No
- Bluetooth version5.2 vs 5+4%
- Lowest frequency45 Hz vs 60 Hz+33%
Why is P4 better than Acton III?
- Weight2,850 g vs 2,690 g+6%
Specifications
Side by side
| Sound | ||
| Output power | 60 W | — |
| Speaker channels | Stereo | 1.0 |
| Channel count | — | 1 |
| Lowest frequency | 45 Hz | 60 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Stereo | Yes | No |
| Battery & charging | ||
| Battery life | — | 15 h |
| Battery capacity | — | 4,000 mAh |
| Charging time | — | 7 h |
| Mains powered | Yes | No |
| Battery powered (portable) | No | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5 |
| Bluetooth codecs | SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| LE Audio | Yes | — |
| NFC pairing | — | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| HDMI eARC / ARC | Yes | — |
| Smart & streaming | ||
| Wi-Fi | Yes | — |
| Companion app | Yes | Yes |
| Design & build | ||
| Weight | 2,850 g | 2,690 g |
| Width | 260 mm | 395 mm |
| Height | 170 mm | 322 mm |
| Depth | 150 mm | 140 mm |
| Water resistance (IPx) | IPx0 | — |
| Features | ||
| Party / stereo pairing | — | Yes |









