Altec Lansing 221 2.1 Computer Speakers (3-Speaker, Black & Silver) 2.1 PC speaker system with 2 satellite speakers, a powered subwoofer, and 20 watts RMS total system power Front-firing, long-throw ported woofer in a wooden cabinet; shielded satellites for distortion-free use near video monitors Dedicated power on/off and rotary volume controls Headphone jack affords private listening; stereo minijack audio input accepts direct feeds from PCs and portable audio devices Color-coded cables simplify hookup to have you up and running in seconds