April 1st 2007With a frequency response of 90 Hz–20 kHz, these LaCie FireWire speakers deliver powerful, vibrant sound for your music, movies and games. The speakers connect easily to computers, either laptops or desktops, as well as MP3 players, using the built-in FireWire cable. FireWire provides superior digital audio as well as line power - no need for batteries or an AC adapter.