Kenwood KFC-XW1241, eXcelon 12" Single 4 Ohm Car Subwoofer, 2000W

X-Motif Cone with Diamond Array Pattern X-Motif Cone controls resonance frequency and cuts unnecessary frequency, delivering powerful and solid bass response. Closed Yoke with Advanced Airflow Control The KFC-XW1241 has a robust thermal management system implemented. with an Aluminum Bobbin,Closed Yoke Design, and Advanced Airflow Control. Stress Controlled Spider Computer-optimized damper controls stress and increases mechanical durability. The Best Match KFC-XW1241 subwoofer is precisely power matched with the eXcelon X502-1 amplifier. | Size 12-inch Voice Coil Single Impedance 4 ohm RMS Power Rating (Watts) 300 Peak Power Rating (Watts) 2000 Cone Material Polypropylene over Paper Surround Material Urethane Free Air No Sensitivity 85dB at 1 Watt Frequency Response 29-300hz Top Mount Depth (Inches) 5 7/16 Bottom Mount Depth (Inches) Cutout Diameter (Inches) 10 7/8 Vas (liters) 104 Fs (Hz) 24.4 Xma