Home › Forums › Products › Stompboxes › H9 Hiss in front of amp – Video › Reply To: H9 Hiss in front of amp – Video October 22, 2015 at 7:19 pm #141230 nickroseModeratorEventide Staff Can you describe how your unit is connected ? I'm thinking that you may have some kind of feedback going on which is causing/increasing the hiss.
