Dimensions
Size comparison
BB-820WS-B1A
| BB-820 | WS-B1A | Difference | |
|---|---|---|---|
| Height | 140 mm | 105 mm | +35 mm |
| Width | 250 mm | 88 mm | +162 mm |
| Depth | 140 mm | 88 mm | +52 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is BB-820 better than WS-B1A?
- Output power20 W vs 10 W2×
- StereoYes · WS-B1A: No
Why is WS-B1A better than BB-820?
- Battery life10 h vs 12 h+20%
Specifications
Side by side
| Sound | ||
| Output power | 20 W | 10 W |
| Speaker channels | 2.0 | Mono |
| Channel count | 2 | — |
| Lowest frequency | — | 75 Hz |
| Highest frequency | — | 20,000 Hz |
| Stereo | Yes | No |
| Battery & charging | ||
| Battery life | 10 h | 12 h |
| Battery capacity | 5,200 mAh | — |
| Mains powered | No | — |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5 |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Weight | 2,800 g | — |
| Width | 250 mm | 88 mm |
| Height | 140 mm | 105 mm |
| Depth | 140 mm | 88 mm |
| Protection rating | — | IP67 |
| Water resistance (IPx) | — | IPx7 |
| Dust protection (IP) | — | 6 |
