The fault of the Windows driver disables the dynamics of the new MacBook Pro
Users of the new MacBook Pro have complained of loud sounds when you use Windows in Boot Camp mode. Not seen anything like it in Parallels and other applications for virtualization. In most macOS the problem is also absent.
About the problem new MacBook Pro write on the Apple support website and discussion forums in the network. The sounds the laptop is in Boot Camp mode, so loud that it is able to disable the built-in speakers.
A Reddit user under the nickname tommy9695 was one of those who are faced with this problem. He took the device in to tech support Apple, where he confirmed that the speakers are damaged mechanically. Replace damaged speakers only in mid-December.
Apparently, the problem is not with some specific model MacBook Pro, because of complaints from different users of different modifications. Cause loud noises may be an outdated audio driver Boot Camp.
The MacRumors contacted Apple to clarify the situation. Representatives of the company advised all MacBook Pro owners to contact AppleCare support by phone to document the problem and to analyze and evaluate.
At this stage it is recommended that while working in Windows to connect headphones or external speakers. In this case, the built-in speakers MacBook will not be activated, which will prevent their damage.
Some users managed to solve the problem by installing a non-certified Apple audio driver Realtek HD Audio Driver 18.104.22.16889, released on November 15.