Sony Xplod XS-GTF6937 6" x 9"300-Watts GTF Series Full Range 3-Way Coaxial Sp... Crossovers Equalizers Head Units Marine Components Multimedia Systems Radar Detectors 92 dB Frequency Response: 40-22,000 Hz RMS: 120 watts per pair / 60 watts each HOP + ACFM (Aramid and Carbon Fiber Matrix)