Why is C20 W better than M40?
C20 W has no measurable advantages in this pair.
Why is M40 better than C20 W?
M40 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Output power | — | 100 W |
| Speaker channels | 2.0 | — |
| Channel count | 2 | — |
| Lowest frequency | — | 38 Hz |
| Highest frequency | — | 22,000 Hz |
| Stereo | Yes | — |
| Battery & charging | ||
| Mains powered | No | Yes |
| Battery powered (portable) | No | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth codecs | — | aptX HD, aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | Yes |
| LDAC | — | No |
| Optical input | — | Yes |
| Smart & streaming | ||
| Wi-Fi | Yes | — |
| AirPlay | Yes | — |
| Multiroom | Yes | — |
| Voice assistant built in | Yes | Yes |
| Companion app | Yes | — |
| Design & build | ||
| Weight | — | 12,400 g |
| Width | — | 250 mm |
| Height | — | 710 mm |
| Depth | — | 296 mm |
| Features | ||
| Remote control | — | Yes |
