Add to cart Revealed Serum Bass Vol. 4 $19.95 Revealed Serum Bass Vol. 4 is a preset collection of 32 Bass sounds for your next Revealed track. From big room progressive to the festival mainstage, you’ll find the synth bass sounds used by Revealed producers. Each preset has all 4 macros assigned to give you more creative possibilities to shape your sound just the way you want it. Reveal Yourself.