I have a Kenwood audio system in my car. It allows you to edit the graphic equalizer. I mostly listen to music but I occasionally listen to the news or a podcast.
VINTAGE Old School Kenwood Car Stereo Graphic Equalizer Amp(40W+40W) KGC - 4031 - Shopping.com
KENWOOD KGC-6040 Vintage Old School Car Graphic Equalizer for sale online | eBay
Speakers | Car Audio | Car Entertainment | KENWOOD USA