vs
8.6Build & features6.7
Dimensions
Size comparison
SoundLink Flex (2nd Gen)PULSE4
| SoundLink Flex (2nd Gen) | PULSE4 | Difference | |
|---|---|---|---|
| Height | 904 mm | 207 mm | +697 mm |
| Width | 201.4 mm | 96 mm | +105.4 mm |
| Depth | 52.3 mm | 96 mm | −43.7 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is SoundLink Flex (2nd Gen) better than PULSE4?
- Bluetooth version5.3 vs 4.2+26%
Why is PULSE4 better than SoundLink Flex (2nd Gen)?
PULSE4 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Output power | — | 20 W |
| Speaker channels | — | Mono |
| Lowest frequency | — | 70 Hz |
| Highest frequency | — | 20,000 Hz |
| Stereo | — | No |
| Battery & charging | ||
| Battery life | 12 h | 12 h |
| Charging time | 4 h | — |
| Mains powered | No | — |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 4.2 |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| USB-C | Yes | — |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 590 g | — |
| Width | 201 mm | 96 mm |
| Height | 904 mm | 207 mm |
| Depth | 52 mm | 96 mm |
| Protection rating | IP67 | IPX7 |
| Water resistance (IPx) | IPx7 | IPx7 |
| Dust protection (IP) | 6 | — |
| Features | ||
| Hands-free calls | Yes | — |
| Party / stereo pairing | — | Yes |
| Light effects | — | Yes |
