OP-Z, sample and mic input July 05, 2021 14:28 Updated the OP-Z will only support mic input for headset. the headset button is not mandatory, the microphone source can be activated with SCREEN+SHIFT as well. Related articles OP–Z - can i sample a line level signal via the headset jack using an adapter? OP–Z - how to use line module for sampling. [video] OP–Z - how do i remove usb noise? [video] OP–Z + OP-1 - can i sync them? [video] OP-Z, how to export projects?