Why is QS20 better than NX-70A?
- Weight327 g vs 5,700 g17.4×
- Bluetooth version6 vs 5.3+13%
Why is NX-70A better than QS20?
- Output power6 W vs 320 W53.3×
- Highest frequency20,000 Hz vs 35,000 Hz+75%
- Lowest frequency87 Hz vs 50 Hz+74%
Specifications
Side by side
| Sound | ||
| Driver size | 43 mm | — |
| Output power | 6 W | 320 W |
| Lowest frequency | 87 Hz | 50 Hz |
| Highest frequency | 20,000 Hz | 35,000 Hz |
| Hi-Res Audio | — | Yes |
| Battery & charging | ||
| Mains powered | — | Yes |
| Battery powered (portable) | — | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 5.3 |
| Bluetooth codecs | SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| 3.5 mm jack / AUX | Yes | Yes |
| Optical input | — | Yes |
| Ethernet | — | Yes |
| Smart & streaming | ||
| Wi-Fi | — | Yes |
| AirPlay | — | Yes |
| Spotify Connect | — | Yes |
| Design & build | ||
| Weight | 327 g | 5,700 g |
| Width | — | 189 mm |
| Height | — | 333 mm |
| Depth | — | 234 mm |
| Features | ||
| Remote control | — | Yes |
