Why is ES20 better than RB-SK310?
- Highest frequency19,000 Hz vs 16,000 Hz+19%
Why is RB-SK310 better than ES20?
- Output power6 W vs 8 W+33%
- Lowest frequency93 Hz vs 80 Hz+16%
Specifications
Side by side
| Sound | ||
| Driver size | 43 mm | — |
| Output power | 6 W | 8 W |
| Lowest frequency | 93 Hz | 80 Hz |
| Highest frequency | 19,000 Hz | 16,000 Hz |
| Stereo | — | Yes |
| Battery & charging | ||
| Battery life | 15 h | — |
| Battery capacity | — | 1,800 mAh |
| Mains powered | No | No |
| Battery powered (portable) | Yes | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.3 |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 326 g | — |
| Width | 90 mm | — |
| Height | 94 mm | — |
| Depth | 50 mm | — |
| Protection rating | IP67 | — |
| Water resistance (IPx) | IPx7 | — |
| Dust protection (IP) | 6 | — |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | — |
| Party / stereo pairing | Yes | Yes |
