@Saravana Thank you for reaching out with your question regarding disabling audio output from a speaker.
We apologize for the delay in reaching out to you but we wanted to reach out to the product group to ensure we provided you with the latest information.
At this time, it is not possible to disable audio output but this is a feature that is being investigated for the future. There is no ETA to share at this time.
Please let us know if you have further questions or concerns regarding this topic and we would gladly assist you further.