by garfy » Thu Dec 27, 2018 12:57 pm
Make sure you have selected the iRig HD2 as the input and output device under Audio MIDI Setup.
Have a look at Chapter 2 - Getting Started (page 21) the User Manual.
System Specs: 2012 Mac Mini 2.6 i7 & 2015 MBP 2.2 i7, 16GB RAM
macOS10.15.7 Logic 10.6.1 Reason 11
Various IK, NI, Waves, Softube, Eventide, XLN software
Focusrite 18i20 x 2, Novation ReMote 25SL