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84-Series 
| JA-6284 | JA-4284 | JA-5284 | JA-6984 | |
| Item | 6.5" 2-Way FIBERGLASS SPEAKER | 4" 2-Way FIBERGLASS SPEAKER | 5.25" 2-Way FIBERGLASS SPEAKER | 6*9" 2-Way FIBERGLASS SPEAKER |
| Cone | FIBERGLASS | FIBERGLASS | FIBERGLASS | FIBERGLASS |
| Surround | Rubber | Rubber | Rubber | Rubber |
| Voice Coil | Ksv25.9 (1") | Ksv25.9(1") | Ksv25.9 (1") | Ksv30.5 (1.2") |
| Impedance | 4 Ohms | 4 Ohms | 4 Ohms | 4 Ohms |
| Magnet | 90*15(14.1oz) | 70*15(8oz) | 80*12(8.8oz) | 100*20(22oz) |
| Woofer Size | 165mm | 102mm | 129*129mm | 235*163mm |
| Tweeter | 38mm Silk Dome | 32mm Silk Dome | 32mm Silk Dome | 44mm Silk Dome |
| Frequency Response (+/- 3dB) | 50-20,000Hz | 60-20,000Hz | 60-20,000Hz | 45-20,000Hz |
| Sensitivity (2.83v/1m) | 89dB ± 3 dB | 85dB ± 3 dB | 87dB ± 3 dB | 89dB ± 3 dB |
| Max power | 80w | 50w | 60w | 100w |
