130 Watts RMS, 260 Watts peak power handling High power Ferrite magnet with No demodulation 11.9 mm long, 1.46" diameter Aluminum Voice coil on Kapton former with 4.62 mm Xmax Weatherproof with wide operating temperature. Great for extreme outdoor conditions. Made in Italy Specifications. Brand:FAITAL PRO; Model:8FE200; Nominal Diameter:8"; Nominal Impedance:4ohm; RMS Power:130 W; Peak Power (Watts):260 W; Sensitivity (dB):95 dB; Max Excursion(Xdam)(Xlim):10.4 mm; Max Linear Excursion (Xmax):4.62 mm; Usable Frequency Range (Hz):60-5k Hz; Surround Shape:Triple Roll; Basket / Frame Material:Steel; Spider Detail/Material:1x constant height waves; Voice Coil Diameter:1.46"; Voice Coil Former:Kapton; Voice Coil Wire Material:Aluminum; Voice Coil Winding Depth:11.9 mm ; Voice Coil Gap Height:8 mm ; Demodulating Ring:No; Magnet Material:Ferrite . Parameters. Compliance Equivalent Volume (Vas):0.47 Ft3; Total Q (Qts):0.44; Mechanical Q (Qms):8.7; Electromagnetic Q (Qes):0.47; Minimum Impedance (Zmin):3.6ohm; DC Resistance (Re):3 ohm; Mechanical Resistance (Rms):1.94 lbs/sec; Surface Area of Cone (Sd):29.61 in2; Voice Coil Inductance (Le):0.25 mH; Flux Density:1 T; BL Product(Bl):7 T-m; Moving Mass Of Diaphragm (Mmd):13.8 g; Moving Mass(MMs):15.3 g; Reference Efficiency (No):0.0142; Mechanical Compliance (Cms):0.26 mm/N; EBP:170 Hz; Driver Displacement:36.25 in3. Mounting and Shipping Information. Overall Diameter:8.24"; Baffle Hole Diameter:7.01"; Bolt Circle Diameter:7.75"; Flange and Gasket Thickness:0.31"; Depth:3.5"; Net Weight(lb):4.7