... Speaker MDF material ,Piano front panel,Plating Button 2.2 CH Multimedia Speaker, AudioPower output woofer RMS 6W fo=1KHz, ... :50Hz~18KHzBass driver unit: 3.5 inch Satellite driver unit:2.75 inch paper cone mid-range driver, magnetically ShieldedInput Port ... Single Cabinet: Subwoofer L230 * D206*H150mmSurround: L88 *D96 *H 150mm 2.2CH Multimedia Speaker, Audio (TL-M2102)