Summary
With ever increasing applications for speakers (new game, computer, & theater systems) as well as new standards (5.1, 6.1, Dolby, THX, etc.) audio makers are constantly aiming at a moving target. The latest two releases from Logitech (Z-640 & Z-680) aim to fill all the home needs at two very competitive price points — and do very nicely. But after last year's award winning Z-560 series that may come as no surprise. Read on to see how the Z-640 compliments Logitech's speaker line-up.

Overall the Z-640 is one of the best systems in the sub $100 price range; high praise for such a competitive market.

by Rey caling on April 6, 2004:
“Bought this speaker and hooked up to my TV with the adapter provided and I was very impressed how this speaker sounds. With the matrix depressed all the time, it sounds like the Z-560s that I also owned. I would give high 10 to logitech for a job well done...” More...