How to mute audio in after effects

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When the checkbox is off : the layer disappear. I'm trying to build a setup where three layers are following each other on the timeline (for example layer 1 from 0 to 1 sec, layer 2 from 1 to 2 and layer 3 from 2 to 3 ) and each layer is linked to a checkbox.

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Sorry if the title is confusing, I'm a little bit lost either.