Disable all sounds

Phone: MTT Smart Max 4G
Not rooted
Android: 4,4,2

In general, the "Audio Profiles" are a little useless - don't give complete control. For example, I don't want the phone to make ANY sounds during the night! Only vibrate. Have not found how to disable, for example, the sound that happens when you unplug the charger. I don't want it!

Please help

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Disable all sounds