file audio recording with Vestax for the people Model Spin DJ controller

I have DJ pro for Windows latest version and the other night I recorded a compilation mixed by me. when I went to listen to the file on itunes the music was completely slowed down, so I tried to convert the file to MP3 but the result did not change.
someone can help me please.I checked out the technical support but they still haven’t risoshed me
I’m using . Windows 10 and I am using Djay pro the last version