vs
9.6Build & features2.4
Dimensions
Size comparison
BOOMBOX 4Bromley 750
| BOOMBOX 4 | Bromley 750 | Difference | |
|---|---|---|---|
| Height | 260 mm | 652 mm | −392 mm |
| Width | 510 mm | 413 mm | +97 mm |
| Depth | 210 mm | 355 mm | −145 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is BOOMBOX 4 better than Bromley 750?
- Water resistance (IPx)IPx8 vs IPx42×
- Dust protection (IP)6 vs 5+20%
Why is Bromley 750 better than BOOMBOX 4?
- Battery life34 h vs 40 h+18%
- Lowest frequency37 Hz vs 20 Hz+85%
Specifications
Side by side
| Sound | ||
| Driver type | — | Dynamic |
| Driver size | — | 254 mm |
| Number of drivers | — | 4 |
| Output power | — | 500 W |
| Lowest frequency | 37 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Adjustable equaliser | — | Yes |
| Battery & charging | ||
| Battery life | 34 h | 40 h |
| Charging time | — | 3.5 h |
| Fast charging support | — | Yes |
| Power bank function | — | Yes |
| Mains powered | Yes | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.3 |
| Bluetooth codecs | — | LC3, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Multipoint (two devices) | — | Yes |
| LE Audio | — | Yes |
| Auracast | — | Yes |
| USB-C | — | Yes |
| USB audio | Yes | — |
| Design & build | ||
| Weight | — | 23,900 g |
| Width | 510 mm | 413 mm |
| Height | 260 mm | 652 mm |
| Depth | 210 mm | 355 mm |
| Protection rating | IP68 | IP54 |
| Water resistance (IPx) | IPx8 | IPx4 |
| Dust protection (IP) | 6 | 5 |
| Colours | — | Black |
| Features | ||
| Hands-free calls | — | Yes |
| Party / stereo pairing | Yes | Yes |
| Light effects | — | Yes |







