Is it just one style or anything you play back? Could be many things, your computer vol is up too high, sound card issues. I would start with the cheapest things like cables.

Military musician for 20 years playing sax, oboe, and clarinet. Used to gig 6 nights a week traded that in for a day job and gigging on the weekend. I like composing WWQ music. My equipment: i7 16gb laptop. I use BIAB, Reaper, Pro Tools, and Sibelius.