Mazda6 2017 Sports Nav Android radio problem...Help!

Hello guys,

Hope anyone here will be able to help to sort out my problem. I connected the Belsee android radio to my Mazda 6 2017.

All functions working normally. I completely bypass the boss amp using my own DSP- digital signal processor and amplifiers. We cut the wire from the bose plug and run new wires to the amps and new aftermarket speakers and sub. Later i noticed the Mazda 2016 + up has TAU - pre amp which probably manages to work radio and CD player.

I have sound from android radio via AUX output to the DSP. I can listen to USB and SSD disc connected via USB. I can listen to my phone via Bluetooth. I can make calls via Bluetooth and using Android auto apple car play voice. I have no sound from the CD player and no sound from the Radio station.

Did I miss something?

Does it have to do something with the black and green plug which originally went into the bose amp?

I as well attach pictures of when i connect the aftermarket plug with RCA to connect it to the AUX output radio using a splitter from the Aux output im running 2 RCA into the DSP input. I would really appreciate the direction and help as I'm getting completely lost and I'm not sure what I did wrong.

The radio station finds the station with a good RDS signal, even DAB radio but as i said no sound..Cd player playing CD but no sound coming out.
 

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I don’t have an answer for that specific problem, but a question for you: I also bought a Belsee aftermarket for my 2017 Mazda 6. I kept the Bose amp, but am having an echoing problem when I make calls on Bluetooth and with Apple CarPlay. The receiver hears a clear echo of their own voice when talking. Do you have hat problem? Since you bypassed the Bose amp, I’m thinking that may be the problem for me (complete novice here trying to figure out life lol)
 
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