What type of filter is he using in this piano?

[HMKBeats]

----> MP3 Player SoundClick

I'm pretty sure it's a filter but it might just be the piano he's using? What ya'll think?

---------- Post added at 03:48 PM ---------- Previous post was at 10:17 AM ----------

Or some sort of distortion plugin

 

[BeatGenerals]

Dont hear any special filter or distortion at all on that piano, sounds just like any clean piano sound to me.