Dimensions
Size comparison
ES20R990BT
| ES20 | R990BT | Difference | |
|---|---|---|---|
| Height | 93.7 mm | 226 mm | −132.3 mm |
| Width | 90.4 mm | 140 mm | −49.6 mm |
| Depth | 49.7 mm | 197 mm | −147.3 mm |
| Weight | 326 g | 3,440 g | −3,114 g |
Drawn to the same scale from the official dimensions (front and side).
Why is ES20 better than R990BT?
- Weight326 g vs 3,440 g10.6×
- Highest frequency19,000 Hz vs 18,000 Hz+6%
Why is R990BT better than ES20?
- Output power6 W vs 24 W4×
- Lowest frequency93 Hz vs 60 Hz+55%
Specifications
Side by side
| Sound | ||
| Driver size | 43 mm | — |
| Output power | 6 W | 24 W |
| Speaker channels | — | Stereo |
| Lowest frequency | 93 Hz | 60 Hz |
| Highest frequency | 19,000 Hz | 18,000 Hz |
| Stereo | — | Yes |
| Battery & charging | ||
| Battery life | 15 h | — |
| Mains powered | — | Yes |
| Battery powered (portable) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 326 g | 3,440 g |
| Width | 90 mm | 140 mm |
| Height | 94 mm | 226 mm |
| Depth | 50 mm | 197 mm |
| Protection rating | IP67 | — |
| Water resistance (IPx) | IPx7 | — |
| Dust protection (IP) | 6 | — |
| Features | ||
| Hands-free calls | Yes | — |
| Party / stereo pairing | Yes | — |
