the z-4 speaker system features a modern audio inspired design with high-gloss and durable cast metal finish. award-winning pressure driver subwoofer technology delivers unparalleled distortion-free bass and the sleek satellites feature one active and two pressure drivers, producing the high quality sound you expect from logitech. the convenient wired remote control includes a headphone jack, auxiliary input, volume, subwoofer and power controls. colour coded audio cables are included for easy setup and it includes an auxiliary input for mp3 players, cd players or other portable audio devices. 2 year warranty. bullet points * premium sound and modern design for music lovers * sleek satellite design combines one active and two pressure drivers for a rich, full audio experience. * award winning and patented logitech pressure driver subwoofer technology delivers unparalleled distortion-free bass. * auxiliary input for mp3 players, cd players or other portable audio devices. * high-gloss finish and cast metal stands complement any desktop. * convenient wired remote includes headphone jack, volume, subwoofer level, power control and auxiliary audio input.