Why is L/R X better than QS20?
- Output power400 W vs 6 W66.7×
- Lowest frequency35 Hz vs 87 Hz2.5×
- Highest frequency24,000 Hz vs 20,000 Hz+20%
Why is QS20 better than L/R X?
QS20 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Driver size | — | 43 mm |
| Output power | 400 W | 6 W |
| Lowest frequency | 35 Hz | 87 Hz |
| Highest frequency | 24,000 Hz | 20,000 Hz |
| Adjustable equaliser | Yes | — |
| Battery & charging | ||
| Mains powered | Yes | — |
| Battery powered (portable) | No | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 6 |
| Bluetooth codecs | AAC, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| HDMI eARC / ARC | Yes | — |
| Optical input | Yes | — |
| Smart & streaming | ||
| AirPlay | Yes | — |
| Chromecast / Google Cast | Yes | — |
| Spotify Connect | Yes | — |
| Multiroom | Yes | — |
| Design & build | ||
| Weight | — | 327 g |
| Width | 200 mm | — |
| Height | 330 mm | — |
| Depth | 260 mm | — |
| Features | ||
| Remote control | Yes | — |









