Quality of a track of preview

Hi, everybody. Prompt please, on audiojungle not so long ago, wanted to learn what better than all quality to spread files of preview?
128, 192 or 320? Or others?

I use 320 for the previews.

Hello! I use 320.

Thanks for answers. I just use 192… think then too to pass on 320

I use 320kbps

I use 320 too )))