First of all, I'm rooted. So since I have Android 5.0 on my Nexus 5 I wonder if there still exists the option to change the music equalizer. In KitKat it was like: I wasn't able to find any option ...
I would like to install the app DSPManager from Cyanogenmod on my Nexus 4 running ParanoidAndroid. I grabbed the newest CM and extracted "/system/app/DSPManager.apk" and "/system/lib/soundfx/*" and ...