Crackling / Fortin Cali Suite Trial / Top spec laptop...?

Yes, I meant rows! Take a look at the optimization guide and then check this article about DPC latency: https://www.sweetwater.com/sweetcare/articles/solving-dpc-latency-issues/

Both the Omega Granophyre and the current version of Archetype Nolly (2.0.0) should be quite optimized. Try with those.