Klipsch sent me an email.
This is possible and the best way to do this (as they told me) is to use the line in on the back of the sub/amp box and not the one in the back of the controller where the ipod sits.
coo...
So I'm reviewing a 2.1 for a christmas present.
I looked at "soundsticks", Promedia gmx a-2.1, logitech z3 and z2300 and also Altec FX6021".
Bang I see the refurbished IFI, not needed to say, but ya i ordered the IFI.
Merry Christmas,
Ty Welcome