KFC-XW1041 Kenwood eXcelon 10 in Sub Woofer 1300W

The KFC-XW1041 Kenwood eXcelon 10" Subwoofer features an X-Motif Cone with Diamond Array Pattern controls resonance frequency and cuts unnecessary frequency, delivering powerful and solid bass response.Robust thermal management system implemented. with an Aluminum Bobbin, Closed Yoke Design, and Advanced Airflow Control.Stress Controlled Spider is a Computer-optimized damper controls stress and increases mechanical durability. Peak Power 1300W PP X-motif Cone with Diamond Array Pattern Closed Yoke with Advanced Airflow Control Stress Controlled Spider Robust Thermal Management System Aluminum Bobbin Impedance: 4 Ohms Peak Input Power: 1300 Watts RMS Power: 300 Watts Sensitivity (dB at 1w/1m): 84 Frequency Response: 33 ~ 300 Hz Size: 10 inch Diaphragm: Paper Cap: Injection PP Surround: Urethane Basket: Steel Gasket: ABS Magnet: Ferrite Width: 10 - 13/16 inch Height: 10 - 13/16 inch Cut-out Diameter: 9 - 1/16 inch Depth:     5 - 5/8 inch Mounting Depth: 4 - 7/8 inch Weight Woofer withou