Sold as 1 Each. 2 hourglass-shaped satellite speakers function as midrange and tweeter while subwoofer's 5-1/2 in. driver provides bass. Magnetically shielded units are ideal for use near computers. Frequency response: 50 Hz to 20 kHz. 9 watts RMS output for each satellite speaker; 16 watts output for subwoofer. Aluminum wheel on wired remote adjusts the master volume, remote itself also has headphone output and 3.5 mm aux input for convenient connectivity. Includes 5 ft. 3.5 mm cable, 5 ft. speaker cable, wired remote with 5 ft. cable, and user manual. Blue accent halo rings on satellites and subwoofer for aesthetic appeal; blue ring on remote functions as power indicator.