$65.99 Premium 3.5-Inch Co-Axial Speaker General FeaturesGeneral Features: Type - Coaxial Size - 3-1/2" (87mm) Power Handling (RMS) - 5W-50W Nominal Impedance - 3 ohms Frequency Response - 85Hz-21kHz Power Handling (Peak) - 75W Sensitivity - (2.83V/1m) 91dB External Diameter (in) - 3-9/16 External Diameter (mm) - 79 Mounting Cutout Diameter (in) - 3-1/8 Mounting Cutout Diameter (mm) - 79 Mounting Depth (in) - 1-3/8 Mounting Depth (mm) - 35 More...