Mackie Onyx 1620i with Aux Sends Questions

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So I have a Mackie Onyx 1620i and I am planning on getting a Behringer FX 2000 to put on one of my Aux sends. Can an aux send be used to introduce compression into a mix or is it strictly effects that can be gradually activated like reverb.


Thanks
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[c7sus]

Compression use with a mixer is usually applied via a channel insert.

 

[Headline]

Compression use with a mixer is usually applied via a channel insert.

How exactly do inserts work

 

[Headline]

Compression use with a mixer is usually applied via a channel insert.

Never mind, I have looked it up. Thank you very much!