Home › Forums › Products › Stompboxes › Strange MIDI problem with H9 (see description) › Reply To: Strange MIDI problem with H9 (see description) September 5, 2020 at 1:39 am #155713 funkyfoe1Participant Sorry, should have been more specific. If I plug a 1/4″ cable in ( anywhere…inputs, outputs), H9 will not respond to MIDI commands. If no 1/4″ cables are connected= MIDI works fine. I know it’s very weird
