Why is R990BT better than D50X?
R990BT has no measurable advantages in this pair.
Why is D50X better than R990BT?
D50X has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Output power | 24 W | — |
| Speaker channels | Stereo | 2.0 |
| Channel count | — | 2 |
| Lowest frequency | 60 Hz | — |
| Highest frequency | 18,000 Hz | — |
| Stereo | Yes | Yes |
| Battery & charging | ||
| Mains powered | Yes | No |
| Battery powered (portable) | — | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.3 |
| 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 | — |
| HDMI eARC / ARC | — | Yes |
| Design & build | ||
| Weight | 3,440 g | — |
| Width | 140 mm | — |
| Height | 226 mm | — |
| Depth | 197 mm | — |
| Colours | — | Black |
| Features | ||
| Hands-free calls | — | Yes |
| Remote control | — | Yes |
