Cyber Acoustics 2.1 Powered Speaker System (CA-3001RB) Convenient desktop controls Low distortion, high power amplifier technology High frequency satellite radiators Magnetically shielded satellite speakers This item is Non-returnable Ergonomic space-saving design featuring cloth grill covers and a convenient desktop volume control Satellites feature 3-inch polycarbon, high-excursion woofers and 2-inch high-frequency satellite radiators Acoustically balanced wood subwoofer cabinet with ported (bass-reflex) design for enhanced bass output 14 watts power output (total system power) Includes 9-volt power adapter