CarPi Alpine CDA9887

Using RaspberryPi with external DAC on my daily vehicle with Alpine CDA9887 and rear view mirror external display. The CDA9887 already

RaspberryPi->HiFiBerryDAC: I2S serial bus
RaspberryPi->Display: Video
HiFiBerryDAC->Alpine CDA9887: Audio
Note right of Alpine CDA9887: Sound Processor
Alpine CDA9887->Orion Hi: tweeter
Alpine CDA9887->Precission: midrange
Alpine CDA9887->Orion Lo: subwoofer

The CDA9887 had an integrated internal sound processor and the pre-out was fed to 4ch Orion 420GT and Precission PPI-2075 that drives 2 way Dynaudio X250 MkII and 10 inch JLAudio subwoofer.