vs
9.5Sound8.1
8.4Battery5.5
2.3Build & features2.2
Dimensions
Size comparison
Bromley 750Rockster 2
| Bromley 750 | Rockster 2 | Difference | |
|---|---|---|---|
| Height | 652 mm | 980 mm | −328 mm |
| Width | 413 mm | 524 mm | −111 mm |
| Depth | 355 mm | 595 mm | −240 mm |
| Weight | 23,900 g | 43,790 g | −19,890 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Bromley 750 better than Rockster 2?
- Battery life40 h vs 15 h2.7×
- Water resistance (IPx)IPx4 vs IPx22×
- Weight23,900 g vs 43,790 g+83%
- Output power500 W vs 440 W+14%
- Lowest frequency20 Hz vs 36 Hz+80%
Why is Rockster 2 better than Bromley 750?
Rockster 2 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Driver type | Dynamic | — |
| Driver size | 254 mm | — |
| Number of drivers | 4 | — |
| Output power | 500 W | 440 W |
| Subwoofer | — | Built-in |
| Lowest frequency | 20 Hz | 36 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Adjustable equaliser | Yes | Yes |
| Stereo | — | Yes |
| Battery & charging | ||
| Battery life | 40 h | 15 h |
| Charging time | 3.5 h | — |
| Fast charging support | Yes | — |
| Power bank function | Yes | Yes |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | LC3, AAC, SBC | 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 | — |
| Auracast | Yes | — |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Weight | 23,900 g | 43,790 g |
| Width | 413 mm | 524 mm |
| Height | 652 mm | 980 mm |
| Depth | 355 mm | 595 mm |
| Protection rating | IP54 | IPX2 |
| Water resistance (IPx) | IPx4 | IPx2 |
| Dust protection (IP) | 5 | — |
| Colours | Black | — |
| Features | ||
| Hands-free calls | Yes | — |
| Party / stereo pairing | Yes | Yes |
| Light effects | Yes | — |




