Power max 1000 watt 8 ohm Sandwich voice coil menjaga sistem pendinginan kawat lubang magnet membantu dorongan SPL suara hingga 97.5 Db FEATURES 4 inch fiberglass inside outside copper voice coil 2000W continuous program power handling 97.5 dB Sensitivity 25 Hz 1 kHz Frequency range Aluminum demodulation ring Forced air ventilation and 15mm top plate for minimum power compression Dual spider design with silicon based dampening control Triple roll surround and corrugated straight cone geometry