vs
4.4Battery7.0
7.8Build & features5.4
Dimensions
Size comparison
SoundLink Flex (2nd Gen)Boom 2 Plus
| SoundLink Flex (2nd Gen) | Boom 2 Plus | Difference | |
|---|---|---|---|
| Height | 904 mm | 228 mm | +676 mm |
| Width | 201.4 mm | 442 mm | −240.6 mm |
| Depth | 52.3 mm | 151 mm | −98.7 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is SoundLink Flex (2nd Gen) better than Boom 2 Plus?
SoundLink Flex (2nd Gen) has no measurable advantages in this pair.
Why is Boom 2 Plus better than SoundLink Flex (2nd Gen)?
- Battery life12 h vs 20 h+67%
Specifications
Side by side
| Sound | ||
| Output power | — | 140 W |
| Lowest frequency | — | 40 Hz |
| Highest frequency | — | 20,000 Hz |
| Spatial / 3D audio | — | Yes |
| Stereo | Yes | — |
| Battery & charging | ||
| Battery life | 12 h | 20 h |
| Battery capacity | 3,200 mAh | — |
| Charging time | 4 h | — |
| Fast charging support | — | Yes |
| Power bank function | — | Yes |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| LE Audio | — | Yes |
| Auracast | — | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | — | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 590 g | — |
| Width | 201 mm | 442 mm |
| Height | 904 mm | 228 mm |
| Depth | 52 mm | 151 mm |
| Protection rating | IP67 | IPX7 |
| Water resistance (IPx) | IPx7 | IPx7 |
| Dust protection (IP) | 6 | — |
| Floats | — | Yes |
| Colours | — | Phantom Black, Adventure Green, Explorer Blue |
| Features | ||
| Hands-free calls | Yes | Yes |
| Party / stereo pairing | Yes | Yes |
| Light effects | — | Yes |
