if ya got RCA's to one end an the other is wired just cut one end off the RCA and hook the wired end to the whatyamacallit & the other to the INPUT
did I understand the Question? or should I go to bed
LINK
![Laugha](http://www.striped-bass.com/Stripertalk/images/smilies/icon_smile_lachuh.gif)
I have the earlier BOSE speakers and did it ,still working after 10 yrs