Trioma adapter "Turn - On" for OEM amplifiers BMW 3, 5, 7 series (->2009->). MOST-AMP

BMW 3, 5, 7 series (->2009->) *, Porsche, Mercedes amplifiers (OEM) Turn On interface. 
MOST-AMP 4.0

Adapter Most-AMP used in car's audio system in the case, if you decide to replace the original head unit on non-original unit, but you want to keep the original amplifier and speakers. 
The Volume, Balance and all frequency adjustments are working full and pseudo-adjustment "Fader", which is implemented by measuring the signal levels in real time. 
Feature of the functioning of "Fader" is described below. 
The adapter allows you to use non-original head units with the effective values of the voltage on the RCA outputs from 1V to 4V.
More information in section "DOCUMENTATION".

* For all BMW car with MOST-25 (2002-2017).
** Excluding BMW 7 series (E65, E66, 2002-2008).

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