Why is QS20 better than ULT TOWER 9 SRS-ULT900?
- Bluetooth version6 vs 5.3+13%
Why is ULT TOWER 9 SRS-ULT900 better than QS20?
ULT TOWER 9 SRS-ULT900 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Driver size | 43 mm | — |
| Output power | 6 W | — |
| Speaker channels | — | Stereo |
| Lowest frequency | 87 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Stereo | — | Yes |
| Battery & charging | ||
| Battery life | — | 25 h |
| Power bank function | — | Yes |
| Mains powered | — | Yes |
| Battery powered (portable) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 5.3 |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| USB audio | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Optical input | — | Yes |
| Design & build | ||
| Weight | 327 g | — |
| Width | — | 410 mm |
| Height | — | 910 mm |
| Depth | — | 456 mm |
| Features | ||
| Party / stereo pairing | — | Yes |
| Light effects | — | Yes |
