Dimensions
Size comparison
BB-820D8
| BB-820 | D8 | Difference | |
|---|---|---|---|
| Height | 140 mm | 120 mm | +20 mm |
| Width | 250 mm | 320 mm | −70 mm |
| Depth | 140 mm | 12 mm | +128 mm |
| Weight | 2,800 g | 2,410 g | +390 g |
Drawn to the same scale from the official dimensions (front and side).
Why is BB-820 better than D8?
BB-820 has no measurable advantages in this pair.
Why is D8 better than BB-820?
- Battery life10 h vs 24 h2.4×
- Output power20 W vs 50 W2.5×
- Weight2,800 g vs 2,410 g+16%
- Battery capacity5,200 mAh vs 8,000 mAh+54%
Specifications
Side by side
| Sound | ||
| Output power | 20 W | 50 W |
| Speaker channels | 2.0 | — |
| Channel count | 2 | — |
| Stereo | Yes | — |
| Battery & charging | ||
| Battery life | 10 h | 24 h |
| Battery capacity | 5,200 mAh | 8,000 mAh |
| Charging time | — | 3 h |
| Power bank function | — | Yes |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5 |
| 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 | — |
| Design & build | ||
| Weight | 2,800 g | 2,410 g |
| Width | 250 mm | 320 mm |
| Height | 140 mm | 120 mm |
| Depth | 140 mm | 12 mm |
| Protection rating | — | IPX6 |
| Water resistance (IPx) | — | IPx6 |
| Colours | — | Black |



