DS18 DS-15L 15-Inch 1,400 Watts 2-Way Powered/Active Speaker Box with MP3/USB and Wheels This professional High Power 15" 2-Way speaker box includes a compression driver with a 1.75" Titanium diaphragm This amazing speaker delivers 1,400 Watts and 700 Watts RMS of Power Output with an integrated 35mm speaker mount, remote control, and Power cable With 1/4" Mic Inputs and Mic Level control, and 1/4" Line Outputs this speaker Plays MP3s from SD Cards or USB Connectors RCA Line Input and Level control, Master Volume, Treble, and Bass controls 3.5mm Aux-In with Level control, a Frequency Response of 30 Hz - 22 KHz, and a Crossover Frequency of 2.2 KHz