Dimensions
Size comparison
YU4Acton III
| YU4 | Acton III | Difference | |
|---|---|---|---|
| Height | 220 mm | 170 mm | +50 mm |
| Width | 140 mm | 260 mm | −120 mm |
| Depth | 190 mm | 150 mm | +40 mm |
| Weight | 3,200 g | 2,850 g | +350 g |
Drawn to the same scale from the official dimensions (front and side).
Why is YU4 better than Acton III?
- Output power70 W vs 60 W+17%
- aptXYes · Acton III: No
Why is Acton III better than YU4?
- Bluetooth version4 vs 5.2+30%
- Weight3,200 g vs 2,850 g+12%
- Lowest frequency60 Hz vs 45 Hz+33%
Specifications
Side by side
| Sound | ||
| Output power | 70 W | 60 W |
| Speaker channels | 2.0 | Stereo |
| Channel count | 2 | — |
| Lowest frequency | 60 Hz | 45 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Stereo | Yes | Yes |
| Battery & charging | ||
| Mains powered | Yes | Yes |
| Battery powered (portable) | No | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 4 | 5.2 |
| Bluetooth codecs | aptX, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | Yes | No |
| LDAC | No | No |
| LE Audio | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| HDMI eARC / ARC | — | Yes |
| Optical input | Yes | — |
| Smart & streaming | ||
| Wi-Fi | — | Yes |
| Companion app | — | Yes |
| Design & build | ||
| Weight | 3,200 g | 2,850 g |
| Width | 140 mm | 260 mm |
| Height | 220 mm | 170 mm |
| Depth | 190 mm | 150 mm |
| Water resistance (IPx) | — | IPx0 |
| Colours | White | — |
