vs
4.4Battery8.1
7.8Build & features5.5
Why is SoundLink Flex (2nd Gen) better than ULT FIELD 3?
- Weight590 g vs 1,200 g2×
Why is ULT FIELD 3 better than SoundLink Flex (2nd Gen)?
- Battery life12 h vs 24 h2×
Specifications
Side by side
| Sound | ||
| Output power | — | 30 W |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Stereo | Yes | — |
| Battery & charging | ||
| Battery life | 12 h | 24 h |
| Battery capacity | 3,200 mAh | — |
| Charging time | 4 h | — |
| Power bank function | — | Yes |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth codecs | SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 590 g | 1,200 g |
| Width | 201 mm | 256 mm |
| Height | 904 mm | 113 mm |
| Depth | 52 mm | 79 mm |
| Protection rating | IP67 | IP67 |
| Water resistance (IPx) | IPx7 | IPx7 |
| Dust protection (IP) | 6 | 6 |
| Features | ||
| Hands-free calls | Yes | Yes |
| Party / stereo pairing | Yes | Yes |









