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![Do you adjust equalizer in head unit first or the EQ? Recently did my audio system but want to fine tune it. Any tips and helpful input is welcomed. : r/CarAV Do you adjust equalizer in head unit first or the EQ? Recently did my audio system but want to fine tune it. Any tips and helpful input is welcomed. : r/CarAV](https://preview.redd.it/ie4iv6bagp871.jpg?width=600&format=pjpg&auto=webp&s=5606ac1e8b343c963278a5c8f81e3c2b6da7e57a)