Why is Helium 312BT better than Arc Ultra Soundbar?
Helium 312BT has no measurable advantages in this pair.
Why is Arc Ultra Soundbar better than Helium 312BT?
- Channel count2 vs 9.14.6×
Specifications
Side by side
| Sound | ||
| Speaker channels | 2.0 | 9.1.4 |
| Channel count | 2 | 9.1 |
| Subwoofer | Wireless subwoofer included | Wireless subwoofer included |
| Lowest frequency | 100 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Dolby Atmos | — | Yes |
| Stereo | Yes | Yes |
| Battery & charging | ||
| Mains powered | Yes | Yes |
| Battery powered (portable) | No | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | — |
| Smart & streaming | ||
| Wi-Fi | — | Yes |
| AirPlay | — | Yes |
| Voice assistant | — | Alexa |
| Voice assistant built in | — | Yes |
| Design & build | ||
| Colours | Black | Black |
| Features | ||
| Placement | vor dem Fernseher | — |
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