Dimensions
Size comparison
JAM 2Go 4
| JAM 2 | Go 4 | Difference | |
|---|---|---|---|
| Height | 79 mm | 75 mm | +4 mm |
| Width | 97 mm | 87.5 mm | +9.5 mm |
| Depth | 36 mm | 41.3 mm | −5.3 mm |
| Weight | 240 g | 209 g | +31 g |
Drawn to the same scale from the official dimensions (front and side).
Why is JAM 2 better than Go 4?
- Battery life30 h vs 7 h4.3×
- Channel count2 vs 12×
- StereoYes · Go 4: No
Why is Go 4 better than JAM 2?
- Output power4 W vs 4 W+20%
- Weight240 g vs 209 g+15%
- Bluetooth version5 vs 5.3+6%
- Charging time3.5 h vs 2.5 h+40%
Specifications
Side by side
| Sound | ||
| Output power | 4 W | 4 W |
| Speaker channels | 2.0 | 1.0 |
| Channel count | 2 | 1 |
| Lowest frequency | — | 90 Hz |
| Highest frequency | — | 20,000 Hz |
| Stereo | Yes | No |
| Battery & charging | ||
| Battery life | 30 h | 7 h |
| Battery capacity | 250 mAh | — |
| Charging time | 3.5 h | 2.5 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 | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Auracast | — | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Weight | 240 g | 209 g |
| Width | 97 mm | 88 mm |
| Height | 79 mm | 75 mm |
| Depth | 36 mm | 41 mm |
| Protection rating | IPX7 | IP67 |
| Water resistance (IPx) | IPx7 | IPx7 |
| Dust protection (IP) | — | 6 |
| Colours | Black | — |
| Features | ||
| Hands-free calls | Yes | — |
| Party / stereo pairing | — | Yes |
