Cambridge SoundWorks FourPointSurround FPS2000 Amplified Multimedia/Computer Speaker System Four high-output satellite speakers with 2 1/2-inch long-throw drivers High-output powered subwoofer with a 5 1/4-inch driver Subwoofer amplifier delivers 25W RMS woofer Four-channel amplifier (7W RMS x 4) for the satellite speakers housed in the sub Includes a separate volume/fade control. Four desktop satellite stands and a pair of 18" tripod-style floor stands are included for the rear satellites