he 121 powered audio system is a combination of solid value and trusted performance. Your overall listening experience will be enhanced as you play games, listen to music, or watch movies. The ported wooden subwoofer adds a new level in gaming realism while the 2" full range drivers delivers a full spectrum of sound. The Audio system easily connects to video gaming systems (with included console gaming Y-adapter), portable CD players, PCs and other audio sources. It comes with built-in controls such as power on/off, master and subwoofer volume, all at your finger tips. It also features a headphone jack for private listening. The shielded satellites and subwoofer can be used near video monitors.