Features 1/2” (13 mm ) PEI Dome Tweeter Polypropylene CoVne Even-Pressure Foam Surround 1” ( 25mm ) high temperature voice coil Rigid Stamped Steel Basket Anti-resonance Basket treatment Proprietary protective magnet band Specifications Dynamic Power Handling 150 Watts RMS Power Handling 50 Watts Frequency Response 35Hz - 20KHz Impedance 4Ω Sensitivity 91 dB Mounting Depth 2.25" (57 mm) Cutout Diameter 5.5" (140 mm) Description Euphoria ES3 60: Elevate Your Sound Experience!Discover the Euphoria