https://audac.eu/eu/products/s/by-category/transformers/audio-isolators
Audio isolators - Commercial audio solutions | AUDAC
Multi-channel ground loop isolators with different connectors.
audio isolatorscommercial solutionsaudac
https://www.audiosciencereview.com/forum/index.php?threads/jds-synapse-neutron-v1-usb-isolators-review.59111/page-11
JDS Synapse & Neutron V1 USB Isolators Review | Page 11 | Audio Science Review (ASR) Forum
I believe you can get USB-C to USB-A or USB-C to USB-B adapter. If user case is field use as in pro audio where isolation is sought after the A and B...