vs
7.9Battery2.7
Dimensions
Size comparison
ULT FIELD 3ISIBOX 1
| ULT FIELD 3 | ISIBOX 1 | Difference | |
|---|---|---|---|
| Height | 113 mm | 115 mm | −2 mm |
| Width | 256 mm | 185 mm | +71 mm |
| Depth | 79 mm | 100 mm | −21 mm |
| Weight | 1,200 g | 757 g | +443 g |
Drawn to the same scale from the official dimensions (front and side).
Why is ULT FIELD 3 better than ISIBOX 1?
- Battery life24 h vs 6 h4×
- Output power30 W vs 4 W7.5×
Why is ISIBOX 1 better than ULT FIELD 3?
- Weight1,200 g vs 757 g+59%
Specifications
Side by side
| Sound | ||
| Output power | 30 W | 4 W |
| Speaker channels | — | 2.0 |
| Channel count | — | 2 |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Adjustable equaliser | — | Yes |
| Stereo | — | Yes |
| Battery & charging | ||
| Battery life | 24 h | 6 h |
| Battery capacity | — | 2,800 mAh |
| Charging time | — | 4 h |
| Power bank function | Yes | — |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | — |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | — | Yes |
| Optical input | — | Yes |
| Design & build | ||
| Weight | 1,200 g | 757 g |
| Width | 256 mm | 185 mm |
| Height | 113 mm | 115 mm |
| Depth | 79 mm | 100 mm |
| Protection rating | IP67 | — |
| Water resistance (IPx) | IPx7 | — |
| Dust protection (IP) | 6 | — |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | — |
| Party / stereo pairing | Yes | — |









