Punches Well Above Their Weight FUSION CS Subwoofers offer performance that “Punches well above their weight”. Incorporating technology found in higher ranged products and the latest cone designs, combined with highly efficient motor assemblies result in bass that has to be heard to be believed. Specifications Peak Power (Watts): 800 Rated Power (Watts): 200 Frequency Response: 33Hz - 1.2kHz Sensitivity (dB): 87 Cone Material: Pressed Paper Thiele Small Parameters D.C. Coil Resistance (Re): 3.900 Ohm Cone Area (Sd) (cm²): 356.000 Compliance (Cms) (M/N): 271.431u M/N Force Factor (Bl) (TM): 12.703 Mechanical Q (Qms): 7.376 Electrical Q (Qes): 0.493 Total Loudspeaker Q (Qts): 0.462 Voice Coil Impedance: 4 Ohm Mounting Dimensions Mounting Depth: 120mm Mounting Diameter: 228mm