Thank you for posting your question.
In this scenario, you will need to plug the USB into the 2nd PC if you want the speakers to play the sound from the 2nd PC.
I have created a reference for you if you would like to call Tech Support to discuss: 00416267.
- Release notes for Radix VISO v1.42 (released 2 December 2021)
- Release notes for myPromethean Portal v1.6 (released 1 December 2021)
- Release notes for ActivConnect OPS-G v2.6.0 (released 17 November 2021)
- Release notes for ActivPanel Elements series v5.1.200 (released 20 September 2021)
- Release notes for Radix agent v1.27.1 (released 25 August 2021)