Home › Forums › Products › Stompboxes › H90 “B” controls not working? › Reply To: H90 “B” controls not working? November 17, 2025 at 1:46 pm #193342 sweevoParticipant on the I/O page, it is set to In 1/2 Line & Out 1/2 Line Routing is set to Parallel, insert 1 and 2 off.
