Concert Radio IN A3 8P! Please help!
 

Dear all Audians,

Trying to connect an amp to a concert h/u(non-boss) in an A3 8P, the amp has both RCA and high level inputs, my guess is concert hasn't got a RCA, but does anyone know if i can get an adaptor? and if i must go through high level, which wire is which?

Also, how do i connect the amp to the battery? where does the Ignition cable go? where does the ground cable go? help!!!!! :(