The adapter is used to connect an ISO connector to a car radio with DIN connector and is intended primarily for use in the automobile sector. Unfortunately I had when I read the mission opened a nasty surprise: It was an adapter to the fore, which had only a tiny mass spring at one point - for use in car radio unusable for a safe! Contacting the vehicle is a safe seat the connector requires that at least 3 quality Ferderzungen contain sollte.Ein mech. good stop is the A. and O.! This requirement corresponds to this part in any Form.Damit are electrical failures inevitable! Especially with the small antenna voltages of a few microvolts Contact is an excellent el. Important. The 2 stars I forgive only because of the good mech. Properties. Practically the part is not to be used, more than for experimental purposes!