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Old 01-27-2019, 11:36 PM
tmaxx445 tmaxx445 is offline
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Quote:
Originally Posted by wpoll View Post
Yep - exactly what I said (about line level outputs)

I'm going to need to study the wiring diagrams a little closely - this still makes no sense. In a NAV setup, the trunk mounted BM54 radio/amp is just that - a radio/amp. There is no second amp. So when you say "factory radio" what are referring to?
There is still a separate amplifier on all our cars here. The BM54 just functions as a radio tuner and "audio gateway of sorts"
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