| JAC-661 | |
| 6.5"rubber-edge Resin reticulate cone | |
| Voice coil: | KSV25.9(1") |
| Impedance: | 4 Ohm |
| Magnet: | 90X15(12.5oz) |
| Sensitivity: | 88dB ±3dB |
| Max power: | 160W |
| Treble configuration: | 25mm(1")silk dome |

| JAC-661 | |
| 6.5"rubber-edge Resin reticulate cone | |
| Voice coil: | KSV25.9(1") |
| Impedance: | 4 Ohm |
| Magnet: | 90X15(12.5oz) |
| Sensitivity: | 88dB ±3dB |
| Max power: | 160W |
| Treble configuration: | 25mm(1")silk dome |