Dimensions
Size comparison
A15 WM40
| A15 W | M40 | Difference | |
|---|---|---|---|
| Height | 206 mm | 710 mm | −504 mm |
| Width | 286 mm | 250 mm | +36 mm |
| Depth | 137 mm | 296 mm | −159 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is A15 W better than M40?
A15 W has no measurable advantages in this pair.
Why is M40 better than A15 W?
- Hi-res codec (LDAC / aptX HD / LHDC)No · A15 W: Yes
- aptXNo · A15 W: Yes
- Lowest frequency45 Hz vs 38 Hz+18%
Specifications
Side by side
| Sound | ||
| Output power | — | 100 W |
| Lowest frequency | 45 Hz | 38 Hz |
| Highest frequency | 22,000 Hz | 22,000 Hz |
| Battery & charging | ||
| Battery life | 19 h | — |
| Mains powered | No | Yes |
| Battery powered (portable) | Yes | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 4.2 | — |
| Bluetooth codecs | SBC | aptX HD, aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | Yes |
| LDAC | No | No |
| 3.5 mm jack / AUX | Yes | — |
| Optical input | — | Yes |
| Smart & streaming | ||
| Wi-Fi | Yes | — |
| AirPlay | Yes | — |
| Chromecast / Google Cast | Yes | — |
| Spotify Connect | Yes | — |
| Multiroom | Yes | — |
| Voice assistant built in | Yes | Yes |
| Companion app | Yes | — |
| Design & build | ||
| Weight | — | 12,400 g |
| Width | 286 mm | 250 mm |
| Height | 206 mm | 710 mm |
| Depth | 137 mm | 296 mm |
| Protection rating | IPX2 | — |
| Water resistance (IPx) | IPx2 | — |
| Features | ||
| Remote control | — | Yes |
