VLC Player (desktop version), which has an equalizer with useful presets.
I'm with you on still using other physical players, never bought into the Apple family of devices, I have quite an old Samsung player that still sounds really good with decent earbuds or headphones.I’m with @Spawn . I stream almost everything now, or use physical media. With the exception of podcasts, for which I use iTunes because I’ve been using it for managing my podcasts for about 14 years or more. I’m still using an iPod nano, and don’t want all my media on my phone. I don’t bother keeping large media files on my computer anymore, and I never pirated anything.