| JAC-554 | JAC-655 | |
| 5''Rubber-edge Wooden Woven Compound Cone | 6.5''Rubber-edge Wooden Woven Cone | |
| Voice coil: | KSV25.9(1") | KSV30.5(1.18") |
| Magnet: | 80*15(11oz) | 90*15(14oz) |
| Sensitivity: | 88dB ± 3 dB | 90dB ± 3 dB |
| Max power: | 140W | 200W |
| Tweeter: | 25mm silk dome | 25mm silk dome |



