Audio quality problems in Audition when my microphone is selected as the input

I have a usb microphone that I use to record in Adobe Audition. I've used it before on my old computer the same way and never had a problem with it. I recently got a new computer (same model, just slightly upgraded specs) and when I went to record in Audition, I noticed the audio sounded signifigantly worse than it had on my old pc. I assumed it was a problem with my microphone. Went through a bunch of settings and nothing helped. Then I discovered that if I took an audio file from my file explorer (which sounds fine outside of Audition) and played it in the software, it also sounded horrible. The only thing I've found that can fix this is if I go into the audio hardware settings and set the default input to "no input" instead of my microphone. But that only fixes imported files that already sounded ok. It doesn't fix new files that I record in Audacity. And obviously I can't record without my microphone selected as the input device. So I'm not sure what to do. Any help would be very appreciated!