Digitizing vinyl with same output volume as ripped CDs

[Trebor]

… the CDs are significantly louder. I read that they do something with compression on CDs to flatten out the highs and lows and then boost the volume.

Loudness war

Multi-band compression will give CD levels of loudness.
I’d recommend Tonebooster’s (free) broadcast plugin … Free (v3) ToneBooster's plugins - #3 by Trebor

… I’m relatively new to this.

It has presets …