Do IEM's work with Enhanced Headphone Mode?

IEM's are a great option! In fact, it can be argued that they are preferred. 

The ear images that you submit helps Immerse AI to to simulate teh highly individual effects of the outer ear that is responsible for directional localization.  This combined with the use of IEM's ensure the correct frequency responses are reproduced at the eardrum.

If you have IEM's plug them in and give Enhanced Headphone Mode a listen!