Marathon Rms-450 High Impact Bi-Amp Molded Polypropylene Powered 12-Inch 2-Way Enclosure High impact molded Polypropylene enclosure / Amplifier Power LF: 350 Watt / Amplifier Power HF: 100 Watt 1.75 Inch Voice Coil, 1 Inch Exit Titanium Compression Driver 80 x 60 Degrees Coverage Pattern / Smooth response with High power handling capacity (Long term/Max), 123dB / 126dB 5 Integral suspension points / Complete mounting solutions