First, check for a bad USB cable. Just swap it out and see.

Second, about the power draw: besides Dan’s question, you might consider getting a tester. Klein Tools makes a tester, about $40 I think for the better of the two models, that checks the available current from the port and the draw of the device, plus of course the voltage (5).


BIAB 2025 Win Audiophile. Software: Studio One 7 Pro, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus 192 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.