Why is USC9S better than SR-B40A?
USC9S has no measurable advantages in this pair.
Why is SR-B40A better than USC9S?
- SubwooferNone vs Wireless subwoofer included
Specifications
Side by side
| Sound | ||
| Output power | — | 200 W |
| Speaker channels | 5.0 | — |
| Channel count | 5 | — |
| Subwoofer | None | Wireless subwoofer included |
| Spatial / 3D audio | Yes | — |
| Dolby Atmos | Yes | Yes |
| DTS:X | Yes | — |
| Hi-Res Audio | Yes | — |
| Stereo | Yes | — |
| Battery & charging | ||
| Mains powered | Yes | Yes |
| Battery powered (portable) | No | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.1 |
| HDMI eARC / ARC | — | Yes |
| Optical input | — | Yes |
| Smart & streaming | ||
| Wi-Fi | Yes | — |
| AirPlay | Yes | — |
| Chromecast / Google Cast | 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 |









