vs
3.2Sound5.5
9.1Build & features6.7
Dimensions
Size comparison
JAM 2ULT FIELD 1
| JAM 2 | ULT FIELD 1 | Difference | |
|---|---|---|---|
| Height | 79 mm | 77 mm | +2 mm |
| Width | 97 mm | 206 mm | −109 mm |
| Depth | 36 mm | 76 mm | −40 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is JAM 2 better than ULT FIELD 1?
- Battery life30 h vs 12 h2.5×
Why is ULT FIELD 1 better than JAM 2?
- Output power4 W vs 20 W5.7×
- Bluetooth version5 vs 5.3+6%
Specifications
Side by side
| Sound | ||
| Output power | 4 W | 20 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 | 30 h | 12 h |
| Battery capacity | 250 mAh | — |
| Charging time | 3.5 h | — |
| Power bank function | Yes | — |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.3 |
| Bluetooth codecs | SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Weight | 240 g | — |
| Width | 97 mm | 206 mm |
| Height | 79 mm | 77 mm |
| Depth | 36 mm | 76 mm |
| Protection rating | IPX7 | IP67 |
| Water resistance (IPx) | IPx7 | IPx7 |
| Dust protection (IP) | — | 6 |
| Colours | Black | — |
| Features | ||
| Hands-free calls | Yes | Yes |
| Party / stereo pairing | — | Yes |
