I've gone for the basic GROM Aux Adaptor kit http://tinyurl.com/oxfemd9 for now, once I've tested it I wil likely purchase a BT 4.0 to Aux with AptX http://tinyurl.com/qxgvssw so that I can wireless stream off the phone in pretty much full quality (I have a load of Flac's on there) and get a 12V...