I have went with the
Aux lead > Analogue to digital converter (had an aux connection on it so RCA adapter was not needed) > optical > soundbar
It had a lot of feedback when the converter was powered via the TV's usb port.
In the end I swapped it to Samsung charger and its working fine.
A...
Thank you so much for your help guys, I figure I can just get a optical splitter as well so my X-box can use the sound bar properly for games/dvds and Chromecast/freeview will have to do with the 3.5mm port on the TV.
Soon to have the most wired , wireless soundbar in the world!
I might try and bring the soundbar back to the shop as I have been reading they have a good reputation for returns.
Would it be better to get 2.1 PC system if I only have a headphone jack ?
I am a complete noob with home cinema and would greatly appreciate any help solving the problem I have got my self in.
I have brought this sound bar, (LG NB5530A) as I got a really good deal. (not from amazon)
http://www.amazon.co.uk/LG-NB5530A-Channel-Premium-Wireless/dp/B00E0E9F5S
which...