Product Description: PEI Dome Tweeter: The PEI dome tweeters provide an extended high frequency response for enhanced sound quality Steel Mesh Grill: A steel mesh grill serves as a protective barrier for the woofer cone, safeguarding its performance IMPP Woofer Cone: Utilizing a rigid injection moulded polypropylene (IMPP) woofer cone allows for smooth, low-frequency bass and accurate vocal reproduction RMS Power Handling: 60 Watts Peak Power Handling: 180 watts Mounting Diameter: Measuring 5.6" (141 mm) Impedance Level: 4 Ohms Frequency Response Range: 65 Hz – 20 KHz