Creative Labs SBS 4.1 450 Computer Speaker System (5 Speakers) 4-channel surround sound from compact satellite speakers and a 17-watt RMS powered subwoofer 41 watts RMS total system power Reinforced-wood Subwoofer adds dramatic bass effects for explosive gaming action 40 to 20,000 Hz system frequency response, 75 dB signal-to-noise ratio Includes all requisite cabling and a handy wired remote control