Quote:
Originally Posted by mozdal
The car has to be coded after the retrofit. Factory out head unit is optimised for the base unit which has no tweeters. Midrange speakers give most of the treble on base audio. After the retrofit, head unit has to programmed from base to hi-fi in order to have a good sound quality.
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Not exactly necessary:
http://f20.1addicts.com/forums/attac...4&d=1347080776
From the picture you attached you have the Professional radio, while there is also the basic Business one. By the way, thanks for the explanation: I've been wondering why they require the Professional radio for the Harman Kardon HiFi while claiming the only difference between the Professional and Business radio (besides the price) is the display I find annoying. I just still have to add what you call "hi-fi" stands for "Harman Kardon HiFi" in fact: what they call "HiFi speaker system" has no tweeters either.