Logitech Z313 2.1 Channel Multimedia Computer Speaker System with Subwoofer (Certified Refurbished) The control pod makes it easy to control volume and headphone controls. You can fill your room with big, balanced sound (25 watts). The compact subwoofer fits into tight spaces and delivers deeper bass when you want to feel the beat. With its easy setup, just connect the speakers to the subwoofer, and plug the subwoofer into your computer. That?s it. You can fill your room with big, balanced sound (25 watts)