How To Compress Synths Leads in 3 Easy Steps. In this tutorial I use OTT, Camel Crusher (the best free plugin ever), and Sidechain compression to maximize the lead synth in my track.These plugins are also available for producers in FL Studio 12, Pro Tools 12, Logic Pro X, and Studio One. All the sounds used to make this beat came from Whole Loops Raw Hits 2 Sample pack linked below.