Manufacturer: Logitech. The Z520 speakers project sound evenly in all directions, so you enjoy rich, clear sound from any angle throughout the room. They realistically reproduce sound thanks to the amplified, two-way design. They're loud enough for a party and detailed enough to let you hear subtle tones and you get a full range of sound in a sleek package that’s easy to set up, perfect for your notebook computer. With the Z520 you can quickly plug in your iPod or MP3 player without having to unplug the speakers from your computer. 2yr limited warranty.