A Beginner's Guide to Active Subwoofers
https://www.minds.com/sklodovkty/blog/11-ways-to-completely-sabotage-your-cd-radio-players-1025438381553504256
Be sure to backup the music you download. It takes quite a bit of time to create a large library of songs, not to mention money. You don't want to lose all those files. Your software just won't cut it. Use an external