Features Specifications Size - 6.5" Impedance: 4Ω Nominal Power - 75 Watts Dynamic Power - 350 Watts Resonance 118.4 Hz Sensitivity: 91.3 dB Voice Coil Diameter: 1" Sold As - Pair Driver Composition Voice Coil Wire: CCAW Magnet: Ferrite Basket: Stamped Steel Cone: paper Cone Edge: cloth T/S Parameters Resonant Frequency (fs) 118.4 DC Resistance (RE) 3 Coil Inductance (LE) 0.00mH Mechanical Q Qms) 5.78 Electromagnetic Q (QES): 1.27 Total Q (QTS) 1.04 Compliance Equivalent volume (VAS) 6.7 Mechani