| JAC-663 | |
6.5"rubber-edge Resin cone | |
| Voice coil: | KSV30.5(1.2") |
| Impedance: | 4 Ohm |
| Magnet: | 90X15(14oz) |
| Sensitivity: | 90dB ±3dB |
| Max power: | 220W |
| Treble configuration: | 25mm(1")silk dome |

| JAC-663 | |
6.5"rubber-edge Resin cone | |
| Voice coil: | KSV30.5(1.2") |
| Impedance: | 4 Ohm |
| Magnet: | 90X15(14oz) |
| Sensitivity: | 90dB ±3dB |
| Max power: | 220W |
| Treble configuration: | 25mm(1")silk dome |