Home › Forums › Products › Stompboxes › Dual delay on h9 only produces one delay, why? › Reply To: Dual delay on h9 only produces one delay, why? July 30, 2023 at 2:41 pm #172790 joecozziModeratorEventide Staff When you say you’re hooked up in mono, you’re going into IN 1 and coming out of OUT 1, correct? What is the Routing on the H9 set to? System menu > UTILS > ROUTE.