Features 1.5″ (38.1mm) Midrange voice coil Ring equalized Neodymium magnet assembly Paper Cone Cloth Surround Stamped steel basket Specifications Resonant Frequency (fs) 474.2Hz D.C. Voice Coil Resistance (Re) 3.2Ω Mechanical Quality Factor (Qms) 5.05 Electrical Quality Factor (Qes) 1.76 Total Quality Factor (Qts) 1.31 Nominal Impedance 4Ω Power Handling 225 Watts Dynamic Wattage 450 Watts Sensitivity (1w/1m) 98.9 dB Frequency Response 375Hz – 4.8KHz Product Manual Product Manual PDF Description