The Z313 speakers fill your room with big, balanced sound with 25watt (RMS) speakers or of you prefer to listen to your favorite tracks, play games, and watch videos in private you can use the headphone jack. The compact, high-excursion subwoofer fits into tight spaces and delivers deeper bass when you want to feel the beat. The convenient wired control pod puts volume and power controls within your reach. The Z313 speakers are easy to setup, just connect the speakers to the subwoofer, and plug the subwoofer into your computer.