vs
9.4Sound9.5
4.9Connectivity4.9
Dimensions
Size comparison
Acton IVStanmore IV
| Acton IV | Stanmore IV | Difference | |
|---|---|---|---|
| Height | 171 mm | 203 mm | −32 mm |
| Width | 260 mm | 350 mm | −90 mm |
| Depth | 150 mm | 185 mm | −35 mm |
| Weight | 2,650 g | 3,990 g | −1,340 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Acton IV better than Stanmore IV?
- Weight2,650 g vs 3,990 g+51%
Why is Stanmore IV better than Acton IV?
- Driver size101.6 mm vs 127 mm+25%
- Lowest frequency37 Hz vs 36 Hz+3%
Specifications
Side by side
| Sound | ||
| Driver type | Dynamic | Dynamic |
| Driver size | 101.6 mm | 127 mm |
| Output power | 110 W | 110 W |
| Speaker channels | Stereo | Stereo |
| Channel count | 2 | 2 |
| Lowest frequency | 37 Hz | 36 Hz |
| Highest frequency | 38,000 Hz | 38,000 Hz |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Stereo | Yes | Yes |
| Battery & charging | ||
| Mains powered | Yes | Yes |
| Battery powered (portable) | No | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | LDAC, LC3, AAC, SBC | LDAC, LC3, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | No |
| LDAC | Yes | Yes |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | Yes |
| Auracast | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Spotify Connect | Yes | Yes |
| Companion app | Yes | Yes |
| Design & build | ||
| Weight | 2,650 g | 3,990 g |
| Width | 260 mm | 350 mm |
| Height | 171 mm | 203 mm |
| Depth | 150 mm | 185 mm |
| Features | ||
| Party / stereo pairing | Yes | Yes |








