Sorry to resurrect an old thread here - but did this work? I'm going down a similar road - unbalanced RCA outs to balanced XLR inputs on Genelec monitors - and it'd be great not to have get additional ...

Hi guys. I just bought a 2.1 Logitech speaker setup. I have it plugged from the red and white RCA jacks out in the back of the tv to the RCA in on the sub. The thing is the bass is hardly there coming ...