vs
9.2Sound9.5
8.4Battery8.4
6.0Connectivity7.3
2.6Build & features2.4
Why is Bromley 450 better than Bromley 750?
- Weight12,320 g vs 23,900 g+94%
- Water resistance (IPx)IPx5 vs IPx4+25%
Why is Bromley 750 better than Bromley 450?
- Output power400 W vs 500 W+25%
- Lowest frequency40 Hz vs 20 Hz2×
- Driver size165.1 mm vs 254 mm+54%
Specifications
Side by side
| Sound | ||
| Driver type | Dynamic | Dynamic |
| Driver size | 165.1 mm | 254 mm |
| Number of drivers | 4 | 4 |
| Output power | 400 W | 500 W |
| Speaker channels | Stereo | — |
| Lowest frequency | 40 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Adjustable equaliser | Yes | Yes |
| Stereo | Yes | — |
| Battery & charging | ||
| Battery life | 40 h | 40 h |
| Charging time | 3.5 h | 3.5 h |
| Fast charging support | Yes | Yes |
| Power bank function | Yes | Yes |
| Mains powered | — | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | LC3, AAC, SBC | LC3, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | Yes |
| Auracast | Yes | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Weight | 12,320 g | 23,900 g |
| Width | — | 413 mm |
| Height | — | 652 mm |
| Depth | — | 355 mm |
| Protection rating | IP55 | IP54 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Dust protection (IP) | 5 | 5 |
| Colours | — | Black |
| Features | ||
| Hands-free calls | — | Yes |
| Party / stereo pairing | — | Yes |
| Light effects | Yes | Yes |




