Playback is distorted when playing Spotify music via DJay 2 for Mac with CDJ2000nxs2 as Midi

I thought I’d experiment with having the option of playing music from my Spotify account using the DJay platform along with my Pioneer DJ setup. Configuration was easy enough though I had to use 2 USB’s with my Mac as opposed to the advertised 1 USB to the DJM900nxs2 and linked. My biggest issue is sound quality. Every track plays with slight distortion making synths, mids and highs sound warped and wobbly. Definitely not good enough quality for performance and is annoying in my home studio. Any suggestions to correct this is appreciated.