Dimensions
Size comparison
L/R SActon IV
| L/R S | Acton IV | Difference | |
|---|---|---|---|
| Height | 226 mm | 171 mm | +55 mm |
| Width | 134 mm | 260 mm | −126 mm |
| Depth | 180 mm | 150 mm | +30 mm |
| Weight | 3,000 g | 2,650 g | +350 g |
Drawn to the same scale from the official dimensions (front and side).
Why is L/R S better than Acton IV?
- aptXYes · Acton IV: No
Why is Acton IV better than L/R S?
- Output power100 W vs 110 W+10%
- LDACNo · L/R S: Yes
- Weight3,000 g vs 2,650 g+13%
- Highest frequency24,000 Hz vs 38,000 Hz+58%
- Lowest frequency55 Hz vs 37 Hz+49%
Specifications
Side by side
| Sound | ||
| Driver type | — | Dynamic |
| Driver size | — | 101.6 mm |
| Output power | 100 W | 110 W |
| Speaker channels | — | Stereo |
| Channel count | — | 2 |
| Lowest frequency | 55 Hz | 37 Hz |
| Highest frequency | 24,000 Hz | 38,000 Hz |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | Yes |
| Stereo | — | Yes |
| Battery & charging | ||
| Mains powered | Yes | Yes |
| Battery powered (portable) | No | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5.3 |
| Bluetooth codecs | aptX HD, aptX, AAC, SBC | LDAC, LC3, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | Yes | No |
| LDAC | No | Yes |
| Multipoint (two devices) | — | Yes |
| LE Audio | — | Yes |
| Auracast | — | Yes |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Optical input | Yes | — |
| Smart & streaming | ||
| Spotify Connect | — | Yes |
| Companion app | — | Yes |
| Design & build | ||
| Weight | 3,000 g | 2,650 g |
| Width | 134 mm | 260 mm |
| Height | 226 mm | 171 mm |
| Depth | 180 mm | 150 mm |
| Features | ||
| Party / stereo pairing | — | Yes |
