http://www.techradar.com/news/dozens-of-iphone-x-users-are-reporting-crackling-speakers

As impressive as the iPhone X is, its performance has certainly been under scrutiny since it launched, mostly for issues with its display.

And now there's a new issue to add to the list, as dozens of iPhone X users have reported that the front-facing earpiece speaker is making crackling or buzzing sounds when used at high volumes.