Logitech Z623 2.1CH Speaker System delivers greater sound and depth. THX-certified sound provides 400 Watts Peak/200 Watts RMS power, providing richness to music, movies, and gaming—all from your PC. Connect up to three compatible devices via the 3.5 mm and RCA inputs. All of the controls are conveniently located on the satellite speaker, making magnificent, immersive sound easily accessible.