Reply To: Selling a H9 maxed outBy kobyphoto1 / Home › Forums › Products › Stompboxes › Selling a H9 maxed out › Reply To: Selling a H9 maxed out December 12, 2018 at 8:47 pm #150796 kobyphoto1Member I will be selling an H9 Max as well as a Core, most likely seperately. Do I need to deregister both of these devices before selling them?