Cerwin-Vega CMX-12s Powered Subwoofer (Each, Black) (Discontinued by Manufacturer) Frequency Response: 32 Hz - 150 kHz Amplifier Power: 300-watts RMS 1 x 12" speaker 300W amplifier power 12-Inch active woofer Freq resp: 32 Hz150 Hz L/R + LFE RCA connectors Speaker level barrier strips