Features 6.5" Midrange 1.5" Til Voice Coil Ferrite Magnet Treated Paper Cone W/ Cloth Surround Stamped Steel Basket Specifications Dynamic Power Handling: 400 Watts Nominal Power Handling: 200 Watts Impedance: 8Ω Voice Coil Resonant Frequency (fs): 97.6 Hz D.C. Voice Coil Resistance (Re): 8Ω Mechanical Quality Factor (Qms): 3.86 Electrical Quality Factor (Qes): 0.76 Total Quality Factor (Qts): 0.64 Equivalent Air Volume (Vas): 7.3 L Mass of Diaphragm/Coil (Mms): 9.5 g Force Factor (BL): 6.7 Soun