Originally Posted By: rharv
Check your Direct monitor switch using headphones, see if changing this makes a difference. You could be hearing the piano go to the computer and back ..

The 2i2 manual is confusing in some ways.
It mixes the inst/Line level explanation in with TR/TRS connections, but it is an instrument level signal (electric guitar direct) or Line level (your keyboard) switch for the 1/4' jacks only. XLR is automatically mic level.

https://d3se566zfvnmhf.cloudfront.net/sites/default/files/focusrite/downloads/7317/scarlett-2i2-user-guide-v2.pdf

/weird URL but linked from manufacturer site


If you have the direct monitor switch in the wrong position you hear nothing from the 2i2 phone connection or you get a long delay if you have a DAW running so it's impossible to have this switch in the wrong position

Tony