OB–4 quick start quide October 21, 2021 11:50 Updated here is a video playlist covering some OB-4 functionality: and here is the basic OB-4 guide: https://teenage.engineering/guides/ob-4 Related articles OB–4 calibration OB–4 - how do i get audio out and into my daw? OP–Z - i cannot power my unit on, or battery does not charge, why? where do i find my serial number? TX–6 - where can i find the user guide?