| JAC-664 | |
6.5"rubber-edge Wool & glass fiber cone | |
| Voice coil: | KSV25.9(1") |
| Impedance: | 4 Ohm |
| Magnet: | 80X15(11oz) |
| Sensitivity: | 88dB ±3dB |
| Max power: | 150W |
| Treble configuration: | 19mmsilk dome |

| JAC-664 | |
6.5"rubber-edge Wool & glass fiber cone | |
| Voice coil: | KSV25.9(1") |
| Impedance: | 4 Ohm |
| Magnet: | 80X15(11oz) |
| Sensitivity: | 88dB ±3dB |
| Max power: | 150W |
| Treble configuration: | 19mmsilk dome |