Hertz Dieci DCX 130.3 130mm 2-WAY COAXIAL SPEAKER SET Satisfying any need featuring very high efficiency with undistorted, powerful sound. The ideal speaker choice for use with any source in any car. Technical Specification Size: woofer 130mm tweeter15mm Mounting depth : 52mm Power handling: 80 watts peak 40 watts RMS Impedance: 4 ohm Frequency Response Hz: 65-21k Sensitivity: 93dB SPEAKER GRILLS NOT INCLUDED