Logitech Z 640 Specs 2021

The most common question regarding is about volume. The system delivers 70 Watts RMS.

The Logitech Z-640 lacks digital inputs (optical/coaxial) and does not support Dolby Digital or DTS decoding. It relies on analog 5.1 output from a sound card or the Matrix mode for surround synthesis. logitech z 640 specs

Logitech marketed the satellites as having "FDD2" technology. Essentially, this means the drivers are magnetically shielded. In the CRT monitor era, this was critical. You could place the center channel on top of your monitor without warping the colors. Obviously not a concern for modern LCD users, but it shows the era of the design. The most common question regarding is about volume