Home › Forums › Products › Stompboxes › H9 with expression pedal and 3-button possible? › Reply To: H9 with expression pedal and 3-button possible? November 18, 2017 at 4:15 pm #147684 gkellumParticipant br193 wrote: how can the controller on the eventide site have two switches and one exp input? You mean the Barn3 OX9? You can either use the two switches without an expression pedal or you can use one switch with an expression pedal.
