KFC-XW124112" Subwoofer ・Peak Power 2000W ・PP X-motif Cone with Diamond Array Pattern ・Closed Yoke with Advanced Airflow Control ・Stress Controlled Spider ・Robust Thermal Management System 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. ELECTRICAL Impedance (Ω) 4 Peak Input Power (W) 2000 RMS Power (W) 300 Sensitivity (dB at 1m) 85 Frequency Response (Hz) 29 ~ 300 MOUNTED SPEAKER Size 300mm 12 inch Diaphragm Paper Cap Injection PP Surround Urethane Basket Steel Gasket ABS Magnet Ferrite φ134-φ70-t30 DIMENSION Width 326mm 12 - 13/16 inch Height 326mm 12 - 13/16 inch Cut-out Diameter 279mm 11 inch Depth 155.4mm 6 - 1/8 inch Mounting Depth 137mm 5 - 3/8 inch WEIGHT Woofer without Gasket 4.2 kg 9.3 lb Gross Weight 5.0 kg 11.0 lb Weight of Magnet 1560 g 54.9 oz ACCESSORY Instruction Manual Warranty Card SPECIAL FEATURE Injection PP X-motif Cone with Diamond Array Pattern Closed Yoke with Advanced Airflow Control Aluminum Bobbin