Why is M40 better than AIO?
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · AIO: No
Why is AIO better than M40?
AIO has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Output power | 100 W | 100 W |
| Speaker channels | — | 2.0 |
| Channel count | — | 2 |
| Lowest frequency | 38 Hz | — |
| Highest frequency | 22,000 Hz | — |
| Stereo | — | Yes |
| Battery & charging | ||
| Mains powered | Yes | Yes |
| Battery powered (portable) | No | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5 |
| Bluetooth codecs | aptX HD, aptX, AAC, SBC | aptX, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | Yes | Yes |
| LDAC | No | No |
| Optical input | Yes | Yes |
| Smart & streaming | ||
| Wi-Fi | — | Yes |
| Multiroom | — | Yes |
| Voice assistant built in | Yes | — |
| Companion app | — | Yes |
| Design & build | ||
| Weight | 12,400 g | — |
| Width | 250 mm | — |
| Height | 710 mm | — |
| Depth | 296 mm | — |
| Features | ||
| Remote control | Yes | — |









