Home › Forums › Products › Stompboxes › Yamaha MG 10 aux to H9 . . . › Reply To: Yamaha MG 10 aux to H9 . . . October 23, 2019 at 3:10 pm #153012 Herr MosaParticipant No, I think you have a flaw in your setup. Mono-In to Stereo-Out you just plug in, the H9 recognizes that by itself, no adjustment is necessary. Try changing the return channels to find the error in the cable or mixer.
