| JA-6258A | JA-4258A | JA-5258A | |
| 6"2-wayrubber edge glass fiber honeycomb cone | 4"2-wayrubber edge glass fiber honeycomb cone | 5"2-wayrubber edge glass fiber honeycomb cone | |
| Voice coil | KSV30.5(1.2") | KSV25.9(1") | KSV25.9(1") |
| Impedance | 4 Ohm | 4 Ohm | 4 Ohm |
| Magnet | 90*15(14oz) | 70*15(8oz) | 80*15(11oz) |
| Sensitivity | 90dB ±3dB | 87dB ±3dB | 88dB ±3dB |
| Max power | 200W | 90W | 120W |
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