Sony SRS-D2100 2.1 Multimedia and Gaming Speaker System 3-piece (2.1-channel) multimedia speaker system with wired remote control module and all requisite cabling 2 speakers with 2.2-inch drivers powered by 12 watts per channel 80-watt powered subwoofer with 6.3-inch cone 2 stereo analog line-level inputs let you connect a PC and 1 additional device such as an MP3, minidisc, or CD player Headphone jack affords private listening