How to connect & running customized big excavator sound system, radio settings

[@herrrossi3171]

Hi Oliver, in your shop i cant find the sound modul - i am interested to buy one.

[@toucanhobby2400]

I’m Oliver for more details and discount please add my Facebook: facebook.com/profile.php?id=100083176249155 Or my whatsup [phone], i-message/facetime:008619376345156