product description : logitech speaker system total rms power : 25 watts rms speakers : satellites : 10 watts rms (5w x 2) subwoofer : 15 watts rms total peak power : 50 watts frequency response : 48hz - 20khz drivers : satellites : 2" high-excursion driver subwoofer : 4" ported driver dimensions (h x w x d): satellites : 152.4 x 63.5 x 76.2 mm subwoofer : 215.9 x 152.4 x 228.6 mm * include a ported wood subwoofer to deliver deep bass. * optimize sound via the high excursion drivers * plug and play, connects easily to pcs, cd and mp3 players * dynamic, real-time bass equalization maximizes bass response while minimizing distortion