Dimensions
Size comparison
R990BTRetro Box
| R990BT | Retro Box | Difference | |
|---|---|---|---|
| Height | 226 mm | 76 mm | +150 mm |
| Width | 140 mm | 152.8 mm | −12.8 mm |
| Depth | 197 mm | 98.8 mm | +98.2 mm |
| Weight | 3,440 g | 683 g | +2,757 g |
Drawn to the same scale from the official dimensions (front and side).
Why is R990BT better than Retro Box?
- Output power24 W vs 11 W2.3×
- Lowest frequency60 Hz vs 65 Hz+8%
Why is Retro Box better than R990BT?
- Weight3,440 g vs 683 g5×
- Hi-res codec (LDAC / aptX HD / LHDC)No · R990BT: Yes
- LDACNo · R990BT: Yes
- Bluetooth version5.4 vs 6+11%
- Highest frequency18,000 Hz vs 20,000 Hz+11%
Specifications
Side by side
| Sound | ||
| Output power | 24 W | 11 W |
| Speaker channels | Stereo | — |
| Lowest frequency | 60 Hz | 65 Hz |
| Highest frequency | 18,000 Hz | 20,000 Hz |
| Stereo | Yes | — |
| Battery & charging | ||
| Battery life | — | 10 h |
| Charging time | — | 2.5 h |
| Mains powered | Yes | No |
| Battery powered (portable) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 6 |
| Bluetooth codecs | SBC | LDAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Weight | 3,440 g | 683 g |
| Width | 140 mm | 153 mm |
| Height | 226 mm | 76 mm |
| Depth | 197 mm | 99 mm |









