3.4Build & features6.7
Dimensions
Size comparison
SoundLink FlexPULSE4
| SoundLink Flex | PULSE4 | Difference | |
|---|---|---|---|
| Height | 90 mm | 207 mm | −117 mm |
| Width | 201 mm | 96 mm | +105 mm |
| Depth | 52 mm | 96 mm | −44 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is SoundLink Flex better than PULSE4?
SoundLink Flex has no measurable advantages in this pair.
Why is PULSE4 better than SoundLink Flex?
- Water resistance (IPx)IPx4 vs IPx7+75%
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 |
| Mains powered | No | — |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 4.2 | 4.2 |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| USB-C | Yes | — |
| Design & build | ||
| Weight | 600 g | — |
| Width | 201 mm | 96 mm |
| Height | 90 mm | 207 mm |
| Depth | 52 mm | 96 mm |
| Protection rating | — | IPX7 |
| Water resistance (IPx) | IPx4 | IPx7 |
| Features | ||
| Hands-free calls | Yes | — |
| Party / stereo pairing | — | Yes |
| Light effects | — | Yes |
