Celestion FTR18-4080HDX FTR Series 18-Inch 600-Watt SubwooferFeatures 1,000 watts RMS power handling and a frequency response of 30 Hz-2500 Hz4" high temperature Inside/Outside voice coil efficiently dissipates heat, preventing sensitivity loss through thermal compressionDouble suspension and a "multi-roll" surround provide exceptional linearity at extremes of cone excursion
