Dimensions
Size comparison
SoundLink Flex Bluetooth speakerP4
| SoundLink Flex Bluetooth speaker | P4 | Difference | |
|---|---|---|---|
| Height | 90 mm | 322 mm | −232 mm |
| Width | 201 mm | 395 mm | −194 mm |
| Depth | 52 mm | 140 mm | −88 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is SoundLink Flex Bluetooth speaker better than P4?
SoundLink Flex Bluetooth speaker has no measurable advantages in this pair.
Why is P4 better than SoundLink Flex Bluetooth speaker?
- Battery life12 h vs 15 h+25%
- Bluetooth version4.2 vs 5+19%
Specifications
Side by side
| Sound | ||
| Speaker channels | — | 1.0 |
| Channel count | — | 1 |
| Lowest frequency | — | 60 Hz |
| Highest frequency | — | 20,000 Hz |
| Stereo | — | No |
| Battery & charging | ||
| Battery life | 12 h | 15 h |
| Battery capacity | — | 4,000 mAh |
| Charging time | — | 7 h |
| Mains powered | — | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 4.2 | 5 |
| Bluetooth codecs | — | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| NFC pairing | — | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | — | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Weight | — | 2,690 g |
| Width | 201 mm | 395 mm |
| Height | 90 mm | 322 mm |
| Depth | 52 mm | 140 mm |
| Protection rating | IP67 | — |
| Water resistance (IPx) | IPx7 | — |
| Dust protection (IP) | 6 | — |
| Features | ||
| Hands-free calls | Yes | — |
| Party / stereo pairing | Yes | Yes |









