Home › Forums › Products › Stompboxes › H9 pre/post routing to use amps with and without effect loops › Reply To: H9 pre/post routing to use amps with and without effect loops November 10, 2019 at 6:06 pm #153162 nickroseModeratorEventide Staff I'm sorry, but if you want to use the H9 in mono, you should use Input 1 and Output 1. You are welcome to try and use it differently, but it will be a matter of trial and error – we cannot advise you on this.
