It was 9 a.m. I had set aside the better part of the morning to set up Logitech’s Wireless DJ Music System. There’s a USB transmitter that plugs into the PC, a remote control with 100-meter range, and ...

I think I have the 5.1 Logitech Z-640's...whatever the cheap ones were, the $70 ones or whatever...<br><br>Anyway, I don't really know if I have them configured right...and I'd like to know how to ...