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JAC490/590/690 
| JAC-490 | JAC-590 | JAC-690 | |
| 4'' rubber edge Aluminium cone | 5.25'' rubber edge Aluminium cone | 6.5'' rubber edgeAluminium cone | |
| Voice coil | KSV25.9(1") | KSV25.9(1") | KSV25.9(1") |
| Impedance | 4 Ohm | 4 Ohm | 4 Ohm |
| Magnet | NdFeB 24.5 | NdFeB 24.5 | NdFeB 24.5 |
| Sensitivity | 88dB ±3dB | 89dB ±3dB | 90dB ±3dB |
| Max power | 80W | 100W | 140W |
| Tweeter | 25mm(1")Aluminium dome | 25mm(1")Aluminium dome | 25mm(1")Aluminium dome |
- Previous： JAC-491/591/691
- Next： JAC-688
