Noise from speaker when laptop gets hot what to do?

I have just played a round of Rocket League and suddenly comes from below a loud noise… I screwed it to see what causes this noise and it seems as if it is the speaker…

I turned it on and off and then it was gone, but every time I play a "challenging" game the sound comes again…

I have the Acer Aspire VN7-793G-74L1 in the 2017 version

Installed is an i7 7700HQ and a GTX 1060 with 8GB Ram.

There's a fan that turns faster when the temperature gets too hot. Power-air