How did the "S" quincy heal his eardrums? The "S" quincy has the special ability to fully recover from damage after hearing the cheers of his followers.

However, how did he recover from his wounds after destroying his eardrums in his fight with the Captain of the 3rd Division?
He receives the benefits of the cheering even though he could not hear the cheers of James as seen in this page, this page, and this page.