Hi Guys ive an 2006 audi a4 b7 with concert ii single din full bose and factory ipod dock i will be removing this and fitting a pioneer avh8400bt once the fascia adaptor comes the issue i have is what kind of aerial adaptor do i need to solve the issues with the diversity aerial ive seen adaptors for the symphony which are dual fakra. but i have not come across anythng for the concert ii which seem to be a standard plug and a fakra plug ill attach a pic of the standard radio showing both sockets white and yellow. anyone have any ides what to do ?