I've done this.I haven't but I'm sure people have. Make sure you configure your TV to output two channel PCM and not multichannel Dolby sound as the Mojo won't decode Dolby etc.
In addition to the good advice above, I'd say 2 things will be crucial.
First is your choice of cable from the Mojo2 to the speakers / amp. Search the forums for advice and spend what you can afford.
Second, careful listening to get Mojo2' s output to the correct level to avoid distortion. Once you have it right, Mojo2 performs amazingly