A specially modified cable made to fit Logitech Z-340 and Z3 2.1 PC Speaker Systems (please ask us about other models).
It is a kit containing a 25 ft male to male cable and a 5 inch female to female gender changer. When you attach that to the end of the 25 ft cable you have a male to female cable
This is modified and may not work with other applications.
Modifications required to both male and female ends.