vs
4.8Sound5.4
Dimensions
Size comparison
BB-820ULT FIELD 1
| BB-820 | ULT FIELD 1 | Difference | |
|---|---|---|---|
| Height | 140 mm | 77 mm | +63 mm |
| Width | 250 mm | 206 mm | +44 mm |
| Depth | 140 mm | 76 mm | +64 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is BB-820 better than ULT FIELD 1?
BB-820 has no measurable advantages in this pair.
Why is ULT FIELD 1 better than BB-820?
- Battery life10 h vs 12 h+20%
Specifications
Side by side
| Sound | ||
| Output power | 20 W | 20 W |
| Speaker channels | 2.0 | — |
| Channel count | 2 | — |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Adjustable equaliser | — | Yes |
| Stereo | Yes | — |
| Battery & charging | ||
| Battery life | 10 h | 12 h |
| Battery capacity | 5,200 mAh | — |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5.3 |
| Bluetooth codecs | SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Weight | 2,800 g | — |
| Width | 250 mm | 206 mm |
| Height | 140 mm | 77 mm |
| Depth | 140 mm | 76 mm |
| Protection rating | — | IP67 |
| Water resistance (IPx) | — | IPx7 |
| Dust protection (IP) | — | 6 |
| Features | ||
| Hands-free calls | — | Yes |
| Party / stereo pairing | — | Yes |









