Why is S643W better than SR-B40A?
- Output power240 W vs 200 W+20%
Why is SR-B40A better than S643W?
SR-B40A has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Output power | 240 W | 200 W |
| Speaker channels | 3.1 | — |
| Channel count | 3.1 | — |
| Subwoofer | Wireless subwoofer included | Wireless subwoofer included |
| Spatial / 3D audio | Yes | — |
| Dolby Atmos | — | Yes |
| Stereo | Yes | — |
| Battery & charging | ||
| Mains powered | Yes | Yes |
| Battery powered (portable) | No | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5.1 |
| 3.5 mm jack / AUX | Yes | — |
| HDMI eARC / ARC | Yes | Yes |
| Optical input | — | Yes |
| Design & build | ||
| Weight | — | 2,900 g |
| Width | — | 910 mm |
| Colours | Black | Black |
| Features | ||
| Remote control | Yes | Yes |
| Placement | — | unter dem Fernseher, vor dem Fernseher |
