Alesis Nitro Mesh delay in sound when sound bars are connected

I recently got my Alesis Nitro Mesh Kit and it's awesome when I plug in my Audio Technica headphones. However, I have tried different samsung/sony/LG sound bars and I can sense a very very tiny delay on the output while my headphones don't have any.

What could be the cause of this? Are there amps that you can recommend so that I dont have to worry about these delays?
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