One 8 " Woofer with Single 4 ohm Aluminum Voice Coil</br>400 Watts MAX 200 Watts RMS Power Handling</br>83dB Sensitivity?? 42 Hz Resonant Frequency</br>Poly Injection Cone and Foam Surround</br>Works in .85 CuFt Sealed or 1 CuFt Ported enclosure</br>3 Year Platinum Dealer Warranty</br>8-inch subw"fer with 400 watts maximum power handling</br>4-Ohm impedance</br>Poly injection